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Screw×東海部品工業 - List of Manufacturers, Suppliers, Companies and Products

Screw Product List

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Over 1,000 production items! Introduction of our achievements in micro parts manufacturing.

Over 1,000 production items! Introduction of our achievements in micro parts manufacturing.

We produce over 1,000 types of micro screws and micro parts!

In 1999, Tokai Parts Industry established a micro screw division at the Amagi Factory in Kamifunahara, Izu City, and began full-scale production of micro screws. Currently, we produce over 1,000 types of micro screws and micro parts, ranging from those for "hard disk drives," "models," and "mobile phones" to "inspection equipment." 【Production Achievements】 ■ Micro Screw Products - Micro screws for HDDs - Micro screws for mobile phones - Micro screws for models, etc. ■ Micro Parts Products - Electrical components - Functional parts, etc. *For more details, please refer to the PDF document or feel free to contact us.

  • Contract manufacturing
  • Other electronic parts

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"Production of extremely small micro screws and parts" High technical capability and quality assurance system

"Production of extremely small micro screws and parts" High technical capability and quality assurance system

Producing "ultra-small micro screws" and micro parts with a diameter of 0.8mm to 2mm! Rigorous processing technology and a thorough management system aimed at achieving zero defective outflow.

Tōkai Parts Industry boasts a high market share in various fields and specializes in the production of "ultra-small micro screws and parts." The Amagi Factory, located in the nature-rich city of Izu, Funabara, spans approximately 30,000 square meters and was established in 1999 for the full-scale manufacturing of micro screws and parts. The materials for "ultra-small micro screws" with diameters ranging from 0.8 mm to 2 mm are special and hard compared to regular screw materials, making them very difficult to process. After several years of trial and error, our company successfully established advanced processing technology. In addition, to achieve "zero defective outflow," we have equipped ourselves with self-developed automatic image sorting machines and built a thorough quality assurance system. ■ Production achievements Production of approximately 1,000 types of screws and parts used in hard disks, smartphones, models, electrical components, inspection equipment, and more. *For more details about our company, please download our company brochure.

  • bolt

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"Production of HDD components" Capable of mass production using non-magnetic high-strength materials!

"Production of HDD components" Capable of mass production using non-magnetic high-strength materials!

We accommodate various surface treatments such as electropolishing. Through comprehensive inspection using our self-developed image sorting machine, we ensure strict quality control.

Tokai Parts Industry has a wealth of experience in the production of ultra-small micro screws and parts, and we also produce a large number of components for HDDs. To ensure the production of high-quality, high-precision HDD components, we accommodate various surface treatments, including electropolishing. Additionally, we conduct thorough quality control through 100% inspection using image sorting machines. We are also capable of mass production using non-magnetic high-strength materials, so please feel free to contact us. ■ Points that make our "production of ultra-small micro screws and parts" the choice ■ Our Amagi factory, located in the lush natural surroundings of Funabara, Izu City, spans approximately 30,000 square meters and was established in 1999 for the full-scale manufacturing of micro screws and parts. The materials for our "ultra-small micro screws" with diameters ranging from 0.8 mm to 2 mm are special and hard compared to regular screw materials, making them very difficult to process. After several years of trial and error, we have succeeded in establishing advanced processing technology. Furthermore, in pursuit of achieving "zero defects," we have equipped ourselves with self-developed automatic image sorting machines and built a thorough quality assurance system. *For more details about our company, please download our company brochure.

  • others

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Explanatory material "Until the Screw is Made" *Free distribution

Explanatory material "Until the Screw is Made" *Free distribution

Basic knowledge related to "screw manufacturing," from fundamental processes such as forging to cutting and surface treatment, is provided.

As a manufacturer of screw components with extensive experience, we are currently offering materials that clearly explain the "screw manufacturing process." We introduce basic knowledge about the fundamental process of forging, the characteristics of various surface treatment methods, as well as typical defects in heat treatment and their main causes. [Contents] ■ Forging (material correction, material cutting, etc.) ■ Trimming ■ Cutting ■ Rolling (flat die / round die) ■ Heat treatment ■ Surface treatment (electroplating, chemical treatment, anodizing, etc.) *You can view detailed content immediately by clicking on "PDF Download."

  • bolt

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Please feel free to consult us about anything related to "screws" or "metal processing" [Q&A materials available].

Please feel free to consult us about anything related to "screws" or "metal processing" [Q&A materials available].

Regarding "screws" and "metal processed parts" that excel in high conductivity, non-magnetism, high durability, high precision, and lightweight properties, suitable for EV and autonomous driving-related products.

When procuring items like "screws" or "metal processed parts," it can be too mundane and detailed for the person in charge to invest time and effort, leading to limited consultation options. Additionally, regarding aspects such as [price], [delivery time], [quality], [production lot], and [shape], it is often the case that compromises are made, even if the result is not truly what is desired. In such cases, please do not hesitate to consult Tokai Parts Industry! Our greatest strength as a manufacturer is our ability to "create." Instead of searching for existing parts, we can "build from scratch," allowing us to make detailed proposals regarding materials and shapes from the development stage. We offer flexible responses to specification changes for fluid products, small lot production, delivery times, quality assurance, and a one-stop service that handles everything from the entrance to the exit, strongly supporting our clients. For over 70 years since our founding, we have continued to be chosen by many clients. Why is our company able to do such things? This time, we have summarized the secrets in a Q&A format! *We will also be exhibiting at the Mechanical Elements Technology Exhibition from June 19 (Wed) to 21 (Fri) [Booth No. E43-44]! *For more details, please download the PDF and check the Q&A.

  • nut

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"Production of model-related parts" Custom shapes to standard products available in stock.

"Production of model-related parts" Custom shapes to standard products available in stock.

From custom shapes to standard products, we have over 5,000 items in stock! We also flexibly accommodate various colors of plating and painting.

Tokai Parts Industry has a wealth of experience in the production of extremely small micro screws and parts, and also produces a large number of model-related components. We have over 5,000 items in stock and can accommodate everything from custom shapes to standard products! We also offer various colors of plating and painting. ■Reasons why our 'production of extremely small micro screws and parts' is chosen■ Our Amagi factory, located in the lush natural environment of Funabara, Izu City, spans approximately 30,000 square meters and was established in 1999 for the full-scale production of micro screws and parts. The materials for our 'extremely small micro screws' with diameters ranging from 0.8 mm to 2 mm are special and hard compared to regular screw materials, making processing very difficult. After several years of trial and error, we have successfully established advanced processing technology. Additionally, in pursuit of achieving zero defective outflow, we have equipped ourselves with self-developed automatic image sorting machines and built a thorough quality assurance system. *For more details about our company, please download and view our company brochure.*

  • others

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"Production of extremely small special-shaped parts" capable of processing high corrosion resistance and high strength materials.

"Production of extremely small special-shaped parts" capable of processing high corrosion resistance and high strength materials.

Supports ultra-fine sizes such as iron, copper, brass, aluminum, and silver.

Tokai Parts Industry has a wealth of experience in the production of ultra-small micro screws and parts, and we also handle a variety of "special-shaped components." We accommodate various shapes such as stepped shapes, medium flange shapes, drawn products, hollow rivets, grooved rivets, various knurling, irregular materials, studs, electrical contacts, etc., in materials like iron, copper, brass, aluminum, and silver, from ultra-fine sizes! ■ Points that make our "production of ultra-small micro screws and parts" stand out ■ The materials for "ultra-small micro screws" with diameters ranging from 0.8 mm to 2 mm are special and hard compared to regular screw materials, making processing extremely difficult. After several years of trial and error, we have successfully established advanced processing technology. Additionally, in pursuit of achieving "zero defective outflow," we have equipped ourselves with self-developed automatic image sorting machines and built a thorough quality assurance system. *For more details about our company, please download and view our company brochure.

  • bolt

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Explanation material "Until the Screw is Made PART 2: Materials and Equipment" *Free distribution

Explanation material "Until the Screw is Made PART 2: Materials and Equipment" *Free distribution

Introduction to the characteristics and main uses of materials, the cold forging process, and the types of rolling mills.

As a manufacturer of screw components with extensive experience, we are currently offering materials that explain the "materials" and "manufacturing equipment" related to screws. In addition to the types and characteristics of steel commonly used for screws, we also introduce the processing processes of the cold heading machines we own and the types of rolling mills. [Contents] <Materials> ■ Carbon Steel (Cold Heading Carbon Steel Wire, Cold Heading Boron Steel Wire) ■ Alloy Steel (Chrome Steel Wire, Chrome Molybdenum Steel Wire) ■ Stainless Steel Wire for Cold Heading (SUS304, SUS410, SUS430, SUSXM7) <Equipment> ■ Cold Heading Machines (Basic Cold Heading Process) ■ Rolling Mills (Flat Die Type, Round Die Type, Planetary Type) *You can view detailed information immediately by clicking on "PDF Download."

  • bolt

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"Production of parts for glasses and mobile phones" capable of processing high corrosion resistance and high strength materials.

"Production of parts for glasses and mobile phones" capable of processing high corrosion resistance and high strength materials.

It can accommodate high corrosion-resistant, high-strength difficult-to-machine materials and also perform loosening prevention treatment.

Tokai Parts Industry has a wealth of experience in the production of extremely small micro screws and parts, and also engages in the production of components for glasses and mobile phones. We can handle difficult-to-machine materials such as titanium, stainless steel, and Inconel, which have high corrosion resistance and high strength! We also provide anti-loosening treatment, so please feel free to consult us. ■ Points that make our "production of extremely small micro screws and parts" a choice ■ Our Amagi factory, located in the lush natural surroundings of Funabara, Izu City, spans approximately 30,000 square meters and was established in 1999 for the full-scale production of micro screws and parts. The materials for our "extremely small micro screws," with diameters ranging from 0.8 mm to 2 mm, are special and hard compared to regular screw materials, making them very difficult to process. After several years of trial and error, we have succeeded in establishing advanced processing technology. Additionally, in pursuit of achieving "zero defective outflow," we have equipped ourselves with self-developed automatic image sorting machines and have built a thorough quality assurance system. *For more details about our company, please download and view our company brochure.

  • others

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Tokai Parts Industry Co., Ltd. Product Case Collection

Tokai Parts Industry Co., Ltd. Product Case Collection

Introducing examples of the development and manufacturing of micro screws and parts, bolts for transportation equipment, and medical implants and surgical instruments!

This document is a collection of case studies of products handled by Tokai Parts Industry Co., Ltd. It includes numerous examples of micro screws and parts products, transportation equipment products, medical products, and quality and environmental management systems. We have acquired JISQ 9100 and will deliver the technology cultivated in micro screws, parts, and difficult-to-machine materials to the world of drones. [Contents] ■ Product Information ■ Product Case Studies ■ Quality and Environmental Management System ■ Various Links *For more details, please download the PDF or feel free to contact us.

  • bolt
  • Other machine elements

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