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  3. 八州電工
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八州電工

EstablishmentApril 1971
capital3000Ten thousand
number of employees402
addressOsaka/Chuo-ku, Osaka-shi/2-5-8 Imahashi, Trade Pia Yodoyabashi 6F
phone06-6222-4465
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last updated:May 23, 2025
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八州電工 Product Lineup

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Ball guard

Numerous delivery achievements nationwide! Offered at a price only possible through in-house manufacturing.

The "Ball Guard" is a product designed to protect air conditioning equipment in gyms and sports facilities. We offer a wide range of specifications and sizes that can be selected according to the equipment and environment, including ceiling-mounted types with bottom doors, ceiling-mounted full-open types, and those for transport fans. Additionally, we can manufacture custom products tailored to the shapes and dimensions of various types of equipment. We also provide guard products for other equipment and lighting. 【Features】 ■ Numerous delivery records nationwide ■ Comprehensive support for installation frames and support hardware ■ We also handle frames that support surrounding piping ■ CAD data submission and seismic calculation document creation are also available ■ We can provide a seamless service from start to finish *For more details, please download the PDF or feel free to contact us.

  • Other air conditioning equipment

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Seismic-resistant fixing hardware for H-shaped steel "Funbaldon"

Zero processing for H-shaped steel (no drilling or welding required)! Supports and fixes angle and channel materials.

"Funbaldon" is a fixed bracket for seismic resistance that offers high strength and high durability. It requires no drilling on H-shaped steel and does not involve any welding work. It can be fixed and removed without the use of special tools. Because it allows for easy replacement and position adjustment on site, it significantly reduces construction time. Since bolts and nuts are delivered pre-assembled, there is zero hassle of searching for missing nuts on site. 【Features】 ■ Easy installation ■ Quick and easy construction ■ High strength and durability ■ Reliable for seismic applications ■ Delivered with bolts and nuts pre-assembled *For more details, please download the PDF or feel free to contact us.

  • Anti-vibration, earthquake-proof, vibration-isolating devices

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Electrical materials "Black Nova"

Achieving a "quiet presence" that blends into the space while also meeting the "specifications" required by the site environment!

"Black Nova" is a series of electrical materials with a "black finish" that does not disrupt the intention of the space. It features a matte black powder coating that minimizes reflections. No additional painting is required, achieving a uniform and beautiful black in any setting. Additionally, black stainless steel screws are used. There is no color discrepancy even in exposed ceilings or commercial spaces, creating a cohesive environment. [Features] ■ Matte finish that pursues "matte black" ■ Total black specification down to the details ■ No color discrepancy in exposed ceilings or commercial spaces ■ Creates a cohesive environment *For more details, please download the PDF or feel free to contact us.

  • Other Boxes

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Custom pull box

Minimize on-site processing! Our custom boxes handle all the necessary processing on-site.

We would like to introduce our "custom pull boxes" that we handle. We offer custom products tailored to a variety of installation conditions. We can accommodate a wide range of requests, not only for changes in materials and dimensions but also for various processing and finishing options. We can also deliver products with direct hole processing on the main body, as well as various connectors and couplings welded in place. 【Main Custom Processing】 ■ Selection of materials and finishes ■ Shape modification of the main body and lid ■ Internal processing of the main body ■ Additional processing of components *For more details, please download the PDF or feel free to contact us.

  • Other Boxes

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Painted finish iron pull box "BLACK NOVA"

We adopt a matte finish that pursues "matte black" without disturbing the intention of the space!

"BLACK NOVA" is a painted steel pull box that offers a lineup balancing a "quiet presence" that blends into the space and specifications that respond to the site environment. It features a matte black powder coating that minimizes reflection. No additional painting is required, achieving a uniform and beautiful black in any setting. The screws are made of black stainless steel, ensuring no color discrepancy in open ceilings or commercial spaces, creating a cohesive environment. 【Features】 ■ Matte finish pursuing "matte black" ■ Total black specification down to the details ■ Secure packaging with cardboard *For more details, please download the PDF or feel free to contact us.

  • Other Boxes

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Round exposure box

The screwless type for thin and thick steel is now available! Here are three features to introduce.

We would like to introduce our "Round Exposed Box." It can be used safely, and the completion of installation can be easily confirmed at a glance. Additionally, it features a surface finish that is resistant to rust. We also offer screwless exposed switch boxes for thin steel, so please feel free to contact us. 【Features】 ■ Safe to use: Complies with PSE standards for both thin and thick steel ■ Easy to confirm completion of installation at a glance: Can be easily installed with torque screws ■ Rust-resistant surface finish: Electro-galvanized plus hot-dip galvanized finish *For more details, please download the PDF or feel free to contact us.

  • Wiring materials

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Steel conduit accessories "Universal"

In addition to rounded corner boxes, we also have entrance caps and other accessories for electrical conduits available!

We would like to introduce the "Universal" products we handle. This product is a steel conduit accessory designed with a non-fall lid, making installation much easier. *Applicable only to the screwless universal. In addition to round corner boxes, we also offer other accessories for conduits, such as entrance caps. [Types] ■ LB ■ LL ■ LT *For more details, please download the PDF or feel free to contact us.

  • Wiring materials

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Custom product manufacturing

Experienced representatives provide total support for customers! On-site measurements and more are available nationwide.

We accept orders for custom products that meet a variety of requests, from small lots to mass production, as well as from material procurement to design, processing, and surface treatment. By collaborating with many in-house factories and group steel material trading companies, we solve various metal processing issues such as short delivery times and cost reduction. Experienced representatives provide total support to customers, and detailed meetings, drafting, and on-site measurements nationwide are also possible. Please feel free to consult with us. 【Features】 ■ Capable of handling small lots to mass production ■ Short delivery times ■ Cost reduction ■ Experienced representatives provide total support to customers ■ On-site measurements nationwide are also possible *For more details, please download the PDF or feel free to contact us.

  • Contract manufacturing

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Pipe rack fabrication

Shape your desires. Leave metal processing products to Yashu Denko Co., Ltd.

We would like to introduce our "Pipe Rack Manufacturing" services. Utilizing advanced equipment and skilled manufacturing techniques, we provide a variety of products. Leveraging years of experience in product processing, we offer appropriate proposals for the field. Our company can handle everything from site surveys to design, drafting, and manufacturing in one go. 【Features】 ■ Over 500,000 custom products produced annually ■ Proposal capabilities backed by extensive experience ■ Quick response through a one-stop system 【Custom Processing Services for Various Support Materials】 ■ L-shaped brackets ■ Triangular brackets ■ Angle triangular racks ■ Channel steel and beams ■ Angles ■ Portal brackets ■ Steel round sleeves for flooring *For more details, please download the PDF or feel free to contact us.

  • Contract manufacturing

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3D laser measurement service

Measurement with millimeter-level accuracy is possible! Surrounding structures are also mapped, eliminating the need for re-surveying the same site.

At Hachishu Electric Co., Ltd., we offer a "3D Laser Measurement Service" through local survey agency. You can visually grasp shapes and dimensions without worrying about measurement omissions, and you can easily confirm interferences and make design changes as many times as needed. Additionally, we provide one-stop support from "BIM conversion" and "seismic calculations" to "manufacturing" and "delivery" after measurement, allowing you to effectively utilize your time for other tasks. Please contact us when you need our services. 【Features】 ■ High precision ■ Labor-saving ■ Versatile * For more details, please download the PDF or feel free to contact us.

  • Other measurement, recording and measuring instruments
  • Other measurement and measuring equipment
  • Other contract services

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Waterproof connector and waterproof coupling for steel electrical conduit

Waterproofing × Workability! For thin steel: 19-75, for thick steel: 16-104.

We would like to introduce our "Waterproof Connectors and Waterproof Couplings" for steel electrical conduits. Eliminate the difficulty of inserting electrical conduits. Our uniquely developed waterproof gasket provides excellent waterproofing and workability, compliant with IP65. The connectors come with a resin cap, eliminating the need for bushings. Please feel free to consult us when you need assistance. 【Product Lineup (Partial)】 ■NWBC19 ■NWBC25 ■NWBC31 ■NWBC39 ■NWBC51 ■NWBC63 *For more details, please download the PDF or feel free to contact us.

  • Piping Materials
  • Piping parts

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Assembly through frame / Steel through sleeve

Short delivery time! The bottom retaining part is designed to be larger, making nail driving easy.

We would like to introduce the "Assembly Through Frame and Steel Through Sleeve" that we handle. We use Super Dyma, a galvanized steel plate confirmed to have extremely high corrosion resistance. This allows us to simplify the post-galvanizing process, enabling shorter delivery times and lighter weight. The opening is equipped with a noticeable "Caution: Opening" label seal, and a drop-prevention cap (including stop screws) is standardly included. 【Features】 ■ Adoption of Super Dyma with many advantages ■ All necessary accessories included ■ A lineup of various sizes for depth, height, and width ■ Assembled and shipped from our factory ■ Opening caution sticker ■ Custom products are also available to accommodate additional processing and various finishes upon request *For more details, please download the PDF or feel free to contact us.

  • Piping Materials
  • Piping parts

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Fixed fittings for shaped steel "Multi Clamper"

Compatible with various fixing methods in combination with Rail Ace!

We would like to introduce our fixed fittings for shape steel, the "Multi Clamper." When combined with Rail Ace, it supports a variety of fixing methods. It features a W3/8 tap specification and is available in both electric zinc plating and stainless steel versions. Additionally, we also offer "reinforcement fittings for Multi Clamper," "HC Clamper," and "clamper clips for HC Clamper." 【Product Lineup】 ■ Multi Clamper A (without swing) - Electric zinc plating version - Stainless steel version ■ Multi Clamper B (with swing) - Electric zinc plating finish - Stainless steel finish *For more details, please download the PDF or feel free to contact us.

  • Piping Materials
  • Piping parts

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Reinforcement Fitting for Multi Clamper for Structural Steel

Equipped with a multi-clamper lateral shift prevention mechanism and a rotation prevention mechanism!

We would like to introduce our fixed fittings for shape steel, the "Reinforcement Fittings for Multi-Clamper." The fittings for L-shaped steel (angle) and channel steel (channel) fit into the grooves of the multi-clamper to prevent lateral movement. For L-shaped steel (angle) and H-beams, you can tighten them with just one tool by lightly placing your finger on the nut during fixing. 【Lineup (partial)】 ■HWLM40 ■HWLM50 ■HWLM65 ■HWLM75 ■SHWLM40 *For more details, please download the PDF or feel free to contact us.

  • Piping Materials
  • Piping parts

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HC Clamper Clip "Clamper Clip"

No need for nuts, as it is difficult to fall off even without being screwed in, available in all sizes, and designed for tapping!

We would like to introduce our HC Clamper Clip, which is used for HC clampers. It is designed to be difficult to drop without screws, comes in all sizes, and is tap-compatible, eliminating the need for nuts. The male and female plates are packaged together and pre-assembled. These three features contribute to increased work efficiency. Please feel free to consult us when you need assistance. 【Lineup (partial)】 ■HCC19 ■HCC2522 ■HCC3128 ■HCC39 ■HCC51 *For more details, please download the PDF or feel free to contact us.

  • Piping Materials
  • Piping parts

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Multi-purpose perforated angle 'L angle'

Just cut and assemble with bolts! Equipped with a 50mm pitch scale.

We would like to introduce our versatile perforated angle, the "L Angle." This convenient angle can be used all around. By cutting it and simply assembling it with bolts, it can be utilized in various applications such as plumbing, electrical work, air conditioning installation, and the creation of frames and shelves. Additionally, we also offer rail ace, hanging brackets, D clips, terminal protection caps, and more. 【Specifications】 ■ Material: Steel/SUS ■ Surface Treatment: Unichrome plating (steel) ■ Length: 2400mm ■ Plate Thickness: 3.2t (steel)/3.0t (SUS) ■ Applicable Bolts: 3/8, M8, M10 *For more details, please download the PDF or feel free to contact us.

  • Piping Materials
  • Piping parts

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Circuit and piping support material "Rail Ace" short-length processing

Eliminate the hassle of extensive on-site cutting and respond to work efficiency! Compatible with D1 type short lengths.

We would like to introduce our company's electrical circuit and piping support material, "Rail Ace." It accommodates various lengths for supporting piping and cable racks. You can specify whether you want long holes or not. We can also accommodate your desired dimensions from 100mm to 1500mm. We offer three types made of iron (galvanized steel), stainless steel, and super-daimar. Protective caps are also available for sale. 【Product Lineup (Partial)】 ■HL-D1S010 ■HL-D1S015 ■HL-D1S020 ■HL-D1S025 ■HL-D1S030 ■HL-D1S035 *For more details, please download the PDF or feel free to contact us.

  • Piping Materials
  • Piping parts

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Toll Road Construction "Embedded Box"

We accommodate various types of steel plates and finishes! We will produce according to your specifications.

We would like to introduce the "embedded boxes" related to toll road construction and other services we handle. Available in SS plate thicknesses of 2.3t to 9.0t and SUS plate thicknesses of 2.0t to 4.0t, among others. We can accommodate various types of steel plates and finishes, and we will manufacture according to your specifications. We have numerous delivery records and can flexibly respond to pricing and delivery times. Please feel free to consult us when you need our services. 【Examples of Production】 ■ Various hole processing / production with checker plates ■ Stainless steel boxes ■ Installation of cover drop prevention chains *For more details, please download the PDF or feel free to contact us.

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Electrical conduit accessory "Screwless exposed switch box"

Our exposed rounded corner boxes are conveniently available for purchase with individual shipping!

We would like to introduce our company's electrical conduit accessories, the "Screwless Exposed Switch Box." The "Screwless Square Exposed Switch Box" is available in the following configurations: single unit without hub, single unit with one side outlet, single unit with two side outlets, and single unit with two side outlets on one side. The "Screwless Round Exposed Box" is available without a hub, with one side outlet, with two side outlets, with two side outlets L, with three side outlets, and with four side outlets. 【Product Lineup (Partial)】 ■KR1910 ■KR2510 ■NKR1911 ■NKR2511 ■NKR3111 *For more details, please download the PDF or feel free to contact us.

  • Piping Materials
  • Piping parts

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[Company Introduction] Yashu Group Business Overview_2025

The technology of the Hachishu Group that thrives in everyday life! Development of a wide range of electrical equipment materials.

At the Hachishu Group, we develop and manufacture various electrical equipment materials at our own factories (7 in Japan and 2 in Vietnam) as well as many partner factories. In our group's production system, we actively introduce advanced machinery such as 24-hour operating punch-laser combination machines and automatic welding machines. While performing excellent metal processing, numerous specialists in metal processing and electrical engineering at each factory are working daily to improve production technology. 【Business Activities】 ■ Manufacturing ■ Sales ■ Import and Export ■ Materials *For more details, please download the PDF or feel free to contact us.

  • Other metal materials
  • Piping Materials
  • Piping parts

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[Company Introduction] Strengths/Characteristics of Yashima Electric Co., Ltd.

Want to shape your desires! We will solve various issues related to metal processing products.

We would like to introduce the strengths and features of Hachishu Electric Co., Ltd. With five domestic factories, overseas group factories, and numerous partner factories, we contribute to short delivery times and cost reduction with advanced equipment. We handle not only CAD drafting but also strength calculations in-house. Additionally, we provide seismic and structural calculations for various scenarios. We create seismic calculation reports for cable racks, panels, piping, lighting, and other supports and stanchions. 【Problem Solving】 ■ Solutions for both delivery times and prices ■ Drawings created by a specialized drafting department ■ On-site surveys and actual measurements at installation locations ■ In-house preparation of calculation reports *For more details, please download the PDF or feel free to contact us.

  • Other metal materials

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Adaptable pipe connectors/couplings

A lineup that pursues rust resistance and waterproofing! Comes with a fixed base that prevents the nut from rotating.

We would like to introduce the "flexible conduit connectors/couplings" that we handle. The coupling features a uniquely developed rubber gasket that prevents water ingress, enhancing its waterproof properties. Additionally, the connection part has a threaded design, making it difficult to pull apart. We also offer a lineup of rust-resistant and waterproof products, including box connectors and waterproof box connectors. 【Coupling Features】 ■ Achieves resistance to disconnection ■ Prevents water ingress ■ Easy to install *For more details, please download the PDF or feel free to contact us.

  • Piping Materials
  • Piping parts

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Connector for steel electrical conduit

New lineup added! We have introduced a waterproof type compliant with IP65 and a screwless type.

We would like to introduce the "Connectors for Steel Conduit" that we handle. With a zinc alloy die-cast and plated finish to enhance rust prevention, we offer waterproof connectors that do not require bushings, equipped with a resin cap, as well as waterproof couplings with excellent waterproof performance thanks to our uniquely developed packing. In addition to round and square boxes, we also have a wide range of box accessories, including entrance caps. 【Features】 ■ Waterproof type compliant with I65 ■ Size is easily identifiable ■ Excellent waterproof performance with uniquely developed packing ■ No need for bushings with resin cap included *For more details, please download the PDF or feel free to contact us.

  • Piping Materials
  • Piping Materials

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Technical Data of Hachishu Electric (Regarding Steel Materials and Finishing)

We have posted explanations about steel materials and finishes, as well as frequently asked questions (Q&A)!

This document is a technical material regarding products handled by Hachishu Denko Co., Ltd. It provides detailed explanations about steel plates, surface-treated steel plates, and high corrosion-resistant coated steel plates (Super Dima), as well as rust prevention and baked coatings. Additionally, it includes frequently asked questions and answers about pull boxes and metal ducts, so please take a moment to read through it. [Contents] ■ About steel materials ■ About finishes ■ Frequently Asked Questions Q&A *For more details, please download the PDF or feel free to contact us.

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Notice of Participation in JECAFAIR 2025

On that day, we will hold a seismic calculation seminar!

We will be exhibiting at the "JECA FAIR 2025 - 73rd Electrical Construction Industry Exhibition." Our company, a 110-year-old electrical materials manufacturer, operates under the motto "Turning desires into reality," providing various electrical materials and metal processing products. At our exhibition booth, you will be able to see not only pull boxes but also actual products such as conduit accessories, ducts, and supports. Additionally, we will hold seminars on strength calculations and seismic calculations three times a day. If you have any concerns, such as whether the selected materials are optimal, whether the prices are appropriate, or if it takes too long to receive calculation reports, please feel free to consult us at our booth (3-28). Our experienced design staff will be happy to speak with you directly! 【Exhibition Information】 Date: May 28, 2025 (Wednesday) - May 30, 2025 (Friday) Venue: Intex Osaka, Halls 2, 3, 4, and 5 Our Booth No: 3-28 (Hall 3) Please check the details in the materials below.

  • Piping and Piping Parts
  • Piping Materials

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Suspension plate/joint for multi-clamp.

Introducing an item that makes the multi-clamper for structural steel fixed fittings even more convenient!

We would like to introduce the "Suspension Plate/Joint for Multi-Clamper" that we handle. The compatible equipment for the "Suspension Plate for Multi-Clamper" includes lighting fixtures and outlet boxes, featuring larger holes that make it easier to pass electrical wires. The "Joint for Multi-Clamper" is a product that allows for changing the orientation of suspended items. 【Lineup】 ■ Suspension Plate for Multi-Clamper ・HWW67: Electro-galvanized ・ZHWW67: Hot-dip galvanized finish ■ Joint for Multi-Clamper ・HWW6: Electro-galvanized ・SHWW6: Stainless steel ・ZHWW6: Hot-dip galvanized finish *For more details, please download the PDF or feel free to contact us.

  • Other work tools
  • Work tools

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Completely custom-made "Ball Protection Guard"

Size and color are completely customizable! We can also handle the mounting brackets all at once.

The ball protection guard from Hachishu Electric can accommodate various requests from design to manufacturing, including shape, number of grids, installation method, color, additional opening doors for maintenance, and mounting brackets. We also provide design and manufacturing for necessary hanging brackets and support materials for installation. Please feel free to contact us. Additionally, we can provide protective guards for various lighting fixtures, indicator lights, and speakers. For example... guards for switches, guards for rotating light brackets, and guards for emergency alarm systems. 【Features】 ■ Sizes and colors are completely customizable ■ Fully made-to-order ■ We can also handle the design and manufacturing of mounting brackets and support hardware all at once *For more details, please download the PDF or feel free to contact us.

  • Other safety and hygiene products

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Strength calculation and seismic calculation services [Conducted by structural design professionals!]

It doesn't end with just calculations; please leave the optimal structural design and material selection to us!

Our company conducts "strength calculations and seismic calculations" that combine reliability and efficiency. With extensive experience and advanced technology, we respond to our customers' needs and provide high-quality calculation results in the shortest time possible. Additionally, based on the calculation results, we offer one-stop support for the selection, design, and manufacturing of optimal steel materials. Requests can be made from hand-drawn images or 3D data, and we flexibly accommodate various other requests. 【Target Structures】 The targets include metal processed products and metal structures within warehouses, plants, factories, and buildings. For example... frames (seismic frames), ducts, cable racks, lighting, piping, panels, brackets, hardware around cubicles, stanchions, anchor bolts, etc. 【Examples of Analysis Methods】 For example... wind load, snow load, thermal expansion analysis, natural frequency analysis, time history analysis, modal spectrum analysis, seismic response analysis. *For more details, please download the PDF or feel free to contact us.

  • Other contract services

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Custom Metal Processing for Electrical Equipment【Manga】

Presentation of an overview of a professional group in metal processing capable of providing products with short delivery times, such as raised platforms for disaster response equipment!

This booklet introduces custom metal processing related to electrical equipment by Yashu Electric Co., Ltd. in a manga format. Our company has its own factories with machinery and steel inventory across the country, as well as numerous partner factories, allowing us to provide products in a short delivery time. With our internal cooperation system, simultaneous manufacturing at multiple factories is also possible, enabling us to respond quickly to large lot production. If your company is facing challenges with custom metal processing related to electrical equipment, please take a moment to read this. 【Examples of Custom Metal Processed Products (Partial)】 ■ Custom pull boxes ■ Various types of frames ■ Hardware around cubicles ■ Through frames ■ Custom metal ducts *For more details, please refer to the PDF document or feel free to contact us.

  • Processing Contract

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PRODUCT CATALOGUE 2024 <Various Support Materials>

Featuring a wide range of product photos! Introducing HC Clamps, Rail Ace D type, and more.

This catalog introduces various support materials such as perforated angles and connection fittings. We offer a lineup that includes L-shaped brackets, press channel brackets, Sunday brackets, perforated channels, and perforated flat bars. It contains information on dimensions, packaging quantities, compatible flange thicknesses, and serves as a useful reference when considering products. 【Featured Products (Partial)】 ■ Accessories for Rail Ace Type D ■ Rail Ace Type P ■ Gate-type brackets & bases ■ Blocks for electrical piping ■ Foundation blocks for eco-cute systems *For more details, please refer to the PDF document or feel free to contact us.

  • Vice Clamps
  • bracket
  • others

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Custom Orders for Metal Processing Products

Daily, we manufacture custom products! With our extensive experience and technology, we will surely meet our customers' needs.

Our company has been utilizing the metal processing know-how and extensive experience we have cultivated over many years to manufacture products based on our customers' inquiries. We have established a supply network through our own factories located throughout Japan and in Ho Chi Minh City, Vietnam, as well as partner factories across Asia. To meet the diverse needs of our customers, we have introduced advanced equipment that accommodates various processing and finishing requirements. [Main examples of manufactured products (excerpt)] ■ Metal ducts ■ Hardware around cubicles, etc. ■ Penetration frames ■ Free access stands and various types of stands, etc. ■ Custom pull boxes *For more details, please refer to the PDF materials or feel free to contact us.

  • Processing Contract

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BCP Flood Prevention Various Panel Underframe

We offer custom fabrication of raised platforms for various panel equipment, including control rooms. Please consult with us for all your needs regarding equipment elevation, as well as scaffolding and steps for operators.

Our various types of frames have been used in a wide range of facilities, including government offices, with many successful deliveries to date. We respond to various requests for manufacturing with various steel materials, hot-dip galvanizing finishes, and various coatings, from small to large lots, at our sales offices and production factories across the country. We also conduct on-site surveys and various strength calculations as needed. If you could simply contact us with your requirements, our experienced staff will provide support and deliver everything in a one-stop service.

  • Power Monitoring Equipment
  • Control Panel
  • Distribution Board

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Various boxes and other 'cable conduit accessories' including JIS certified products.

Selling various accessories for steel electrical conduits! We offer a range of components necessary for conduit installation, including switch boxes, connectors, couplings, and locknuts!

<Regarding the handling of accessories for steel conduit> - Outlet boxes - Concrete boxes - Ceiling boxes - Switch boxes - Various covers - Saddles - Locknuts - Ring reducers We offer a wide range of products. (Waterproof connectors and couplings for steel conduit / exposed boxes are also scheduled to be released in 2021!) For details on various sizes and finishes, please refer to the catalog.

  • Piping Materials

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Introducing examples of various types of stands! *Collection of production examples available.

We have numerous examples of custom-made stands! We have established a manufacturing system that meets needs from small to large lots.

This document is a collection of case studies summarizing the production examples of "frames" manufactured by Hashishu Denko Co., Ltd. We manufacture steel processing products tailored to the installation equipment and locations, such as bases and brackets for equipment installation, inspection walkways, and more. Our staff can also conduct on-site surveys (actual measurements) and seismic calculations for products as needed. [Featured Examples (Excerpt)] ■ Frames for lighting and surveillance cameras ■ Frames for free access ■ Frames and steps around cubicles ■ Cable rack frames ■ Self-supporting panel frames ■ Stanchions and more *For more details, please refer to the PDF document or feel free to contact us.

  • Contract manufacturing
  • Other air conditioning equipment
  • Other lighting equipment

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Metalworking products related to circuits [metal ducts for wiring, through frames, various shapes of steel]

Custom production is possible with the specified materials and finishes! Leave various metal processing products to us!

At Hachishu Electric Co., Ltd., we produce a wide range of metal processing products related to electrical circuits. In addition to our various standard stock items, we respond to customer needs with our extensive know-how in custom production using specified materials and finishes. We have a proven track record of supplying metal processing products related to electrical circuits, such as metal ducts, penetration frames, penetration sleeves, and various types of racks, not only made from steel plates but also from processed products like angles and channels. 【Examples of Pull Box Production】 ■ Super Dima pull box ■ Coupling welding ■ Mounting hardware for columns ■ Various painting finishes ■ Mounting hardware (with legs) You can also check the details from the "PDF Download," so please feel free to take a look.

  • Processing Contract

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For customized processing and on-site measurements of metalworking products, contact Hachishu Denko.

Custom metal processing products and drawing creation are also available.

At Hachishu Electric Co., Ltd., we conduct on-site measurements of metal processing products. We carry out field surveys and manufacture metal processing products with short delivery times, including drawing production and products for government agencies. We can produce various items, starting with "various covers," as well as "hardware around cubicles" and "various panels." Additionally, we can handle a wide range of metal processing, so please feel free to consult us when needed. 【Features】 ■ Short delivery times ■ Drawing production ■ For government agencies ■ Various metal processing capabilities *For more details, please refer to the PDF materials or feel free to contact us.

  • Processing Contract
  • Other metal materials
  • Contract manufacturing

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[Latest Edition] Hachishu Electric Co., Ltd. Comprehensive Catalog 2025

A wide variety of products such as pull boxes, metal ducts, connectors, etc., tailored to your needs! The comprehensive catalog of Yashu Electric's product lineup is now available!

The "Yashu Electric Co., Ltd. Product Catalog 2025 Edition" is the product catalog of Yashu Electric Co., Ltd., which manufactures and sells pull boxes, ducts, frames, distribution boards, and more. It features a wide variety of "pull boxes," including private specifications (rust-resistant) and flat lids, as well as various products such as "metal ducts," "connectors," and "clamps." Please make use of this catalog for selecting products. [Contents] ■ Pull Boxes ■ Metal Ducts (Wiring Ducts) ■ Connectors ■ Various Support Materials ■ Accessories for Conduit ■ Accessories for Flexible Conduit ■ Metal Fabrications *For more details, please refer to the PDF document or feel free to contact us.

  • Other machine elements
  • nut

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Metal flexible conduit connectors and couplings

Products with JIS certification for your peace of mind! A diverse lineup available!

"Connectors" and "Combination Couplings" are products manufactured by Hachishu Denko. They have obtained JIS standard certification (some items are not applicable to JIS). A wide range of items and sizes are available, with a diverse lineup of 87 types. They can be used with various sizes of electrical conduits. They can also be used in conjunction with the box products we handle. 【Features】 ■ Box connectors do not require plastic bushings. ■ There are types available with resin covers for cable protection. ■ Both non-waterproof and waterproof options are available. *For more details, please refer to the PDF materials or feel free to contact us.

  • Other Connectors

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We offer custom-made steel sleeves for through frames!

Strengths of Hachishu Electric! We accommodate a variety of materials and finishes, from small lots to mass production. Please specify the materials and coatings you require.

The "penetration frame" is a product handled by Hachishu Denko Co., Ltd. We manufacture it in the desired size and material according to the installation location and opening dimensions, accommodating from small lots to mass production. It is a cost-effective standard size product available in two types with depths of 100mm and 200mm, featuring opening dimensions ranging from 200mm x 300mm to 1300mm. In addition to a wide range of standard products, we also produce custom-made penetration frames according to your requests. 【Features】 ■ Supports various materials and finishes from small lots to mass production ■ Collaborates with many in-house factories and partner companies to meet your needs ■ Thoroughly responds to competitor pricing, helping to reduce costs *For more details, please refer to the PDF document or feel free to contact us.

  • others

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Mounting bracket for concrete columns

We will manufacture mounting brackets for concrete columns that can be easily secured with a metal band!

Hasshu Electric Co., Ltd. is a company that manufactures and sells pull boxes, ducts, frames, distribution boards, and more. We produce mounting brackets for concrete columns that can be easily secured with metal bands. We can provide estimates, designs, and manufacturing according to your requests, so please feel free to consult us regarding dimensions, finishes, and any other inquiries. 【About Materials, Plate Thickness, and Finishing】 〔Material: Steel〕 ■ Plate Thickness: 1.6t, 2.3t, 3.2t ■ Finishing: Baked paint, hot-dip galvanized finish, rust prevention (Hasshu Gray) 〔Material: Stainless Steel (SUS304)〕 ■ Plate Thickness: 1.5t, 2.0t ■ Raw, baked paint *For more details, please refer to the catalog or feel free to contact us.

  • others

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Mounting bracket for rotating lights

Compatible with each product and installation method! We will create brackets tailored to the specified installation environment!

The "Rotating Light Mounting Stand" is compatible with rotating lights from various manufacturers and will create brackets tailored to your specified installation environment. Additionally, with the optional mounting brackets for concrete poles, it can be installed on cylindrical structures and is compatible with rotating lights from all manufacturers. 【Material, Plate Thickness, and Finish】 〔Material: Steel〕 ■ Plate Thickness: 1.6t, 2.3t, 3.2t ■ Powder coating, hot-dip galvanizing finish, rust prevention (Yashu Gray) 〔Material: Stainless Steel (SUS304)〕 ■ Plate Thickness: 1.5t, 2.0t ■ Raw, powder coating *For more details, please refer to the catalog or feel free to contact us.

  • others

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PCB Storage Cabinet

We will manufacture storage boxes of various sizes for the safe storage of PCB waste!

Hachishu Electric Co., Ltd. is a company that manufactures and sells pull boxes, ducts, frames, distribution boards, and more. We produce storage boxes in various sizes for the safe storage of PCB waste. We can provide estimates, designs, and manufacturing according to your requests, so please feel free to consult us about any specifications, dimensions, or finishes. *For more details, please refer to our catalog or feel free to contact us.

  • others

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Metal processed products "Various brackets"

We will manufacture various brackets, such as U-bolt and rail ace saddle fixed types, in shapes and dimensions tailored to the needs of the site!

At Hachishu Electric Co., Ltd., we manufacture various brackets for piping, including installation and fixing types such as U-bolt fixed types and rail ace saddle fixed types, tailored to the needs of the site for pipes, ducts, pull boxes, racks, and other equipment. We handle a variety of products, from estimates to production, including "brackets with a gate-type base," "triangular brackets," and "L-shaped hardware." We offer materials such as SS400 and SUS304 (various steel materials including angles, channels, square pipes, flat bars, and round bars). Additionally, for finishing, we can provide options such as raw (no finish), rust-proof paint (only for SS400, Hachishu gray), baked paint (specified color), and hot-dip galvanized finish (only for SS400). *For more details, please refer to our catalog or feel free to contact us.

  • bracket

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Various types of platforms

We will manufacture various types of frames in shapes and dimensions tailored to the needs of the site!

At Hachishu Electric Co., Ltd., we manufacture various types of mounting frames such as floodlight stands, panel stands, and antenna stands in shapes and dimensions tailored to the needs of the site. We offer materials including SS400 and SUS304 (various steel materials such as angles, channels, square pipes, flat bars, and round bars). Additionally, regarding finishes, we can provide bare (no finish), rust prevention paint (SS400 only, Hachishu gray), baked paint (specified color), and hot-dip galvanized finish (SS400 only). *For more details, please refer to our catalog or feel free to contact us.

  • others

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Duct ・ Duct cover

We will produce it according to your request! A cover to hide the wiring and piping for the panel.

The "duct cover" is a decorative cover designed to hide wiring and piping that leads into the panel. It is manufactured to match the shape of existing panels and ducts, allowing for easy and neat wiring management. It is useful for sudden changes or additional work at the installation site. *For more details, please refer to the catalog or feel free to contact us.

  • cabinet
  • others

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