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  1. Home
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  3. 空研 本社
  4. [Ended] Announcement of Thunder & Grinder Trade-In Sale
EVENT
  • Apr 26, 2023
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Apr 26, 2023

[Ended] Announcement of Thunder & Grinder Trade-In Sale

空研 空研 本社
We are pleased to announce that Kuken Co., Ltd. will be holding a "Thunder & Grinder Trade-In Sale." During the period, if you order eligible models, you will receive a trade-in discount of 3,000 yen, 4,000 yen, or 5,000 yen per purchased model for each trade-in machine collected. We kindly ask you to take this opportunity to make a purchase. 【Sale Overview】 ■ Period: From May 1, 2023, to July 31, 2023 (3 months) ■ Models: Air Sanders, Angle Grinders, Belt Sanders, Polishers - a total of 37 models ■ Trade-in machines can be any air tools or electric tools, regardless of the manufacturer. *For more details, please refer to the related materials or feel free to contact us.
Dual Action Sander (Dust Collection Type) DAC-056S
Dual Action Sander (Dust Collection Type) DAC-056S
Angle Grinder KAG-45
Angle Grinder KAG-45
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サンダー&グラインダ下取セールチラシ(2304).pdf[0]

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Kuken Co., Ltd. Homepage
Kuken has been proud to be a development-oriented manufacturer since its establishment in 1967, specializing in air tools, and is committed to creating innovative products that match customer needs.

Related product

kuken_26_DAM-055S.jpg

Dual Action Sander DAM-055S

Suitable for finishing polishing.

It is a professional machine tool powered by compressed air.

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kuken_27_DAM-055.jpg

Dual Action Sander DAM-055

Ideal for finishing polishing.

It is a professional machine tool powered by compressed air.

  • Other cutting tools

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KBS10A?.jpg

Belt Sander KBS-10A

For polishing in narrow areas and cutting operations of various materials.

Demonstrates power in grinding operations at various locations! 【Features】 ● The boom angle can be adjusted according to the work purpose. ● Built-in silencer for low noise. ● Adoption of rubber grip provides vibration and cold resistance. ● Non-woven fabric belt can also be attached.

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  • Grindstone
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KBS12?.jpg

KBS-12 Belt Sander

The arm angle is adjustable according to the work purpose! It features a safety design to protect the operator.

The "Belt Sander" is a tool suitable for polishing narrow areas and cutting various materials. It is effective in automotive sheet metal work, grinding weld beads, and removing spots. 【Features】 ■ The arm angle can be adjusted according to the work purpose ■ Built-in soundproofing material ■ Safety design to protect the operator *For more details, please refer to the PDF document or feel free to contact us.

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KBS20T?.jpg

Air Belt Sander - KBS-20T

Demonstrates powerful grinding force in grinding operations! Effortless work even in deep, narrow areas!

【Features】 - Eliminating the end lock nut allows for grinding in narrow areas. - The angle adjustment of the arm can be changed with a single butterfly screw. - The use of rubber grips provides vibration and cold resistance. - A swivel screw sleeve is adopted to prevent the air hose from twisting. - The exhaust direction can be changed 360 degrees, and it is equipped with a silencer for low noise. *For more details, please refer to the PDF document or feel free to contact us.

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KOS42(改).jpg

KOS-42・KOS-42S Orbital Sander

This is the standard machine that will satisfy everything from now on!

【Features】 - Adoption of a newly designed air motor for strong and powerful performance. - Low center of gravity design for excellent balance and stability. - Low vibration for fatigue-free operation even during long hours of work. - Compact and lightweight type that allows for easy one-handed operation. - Grip that is easy to hold and fits comfortably in the hand. - Dust collection type demonstrates high dust collection capability. *For more details, please refer to the PDF document or feel free to contact us.

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KAG45・レバー式.jpg

4-inch angle grinder KAG-45/45G

The best tool for improving work efficiency, safety, and comfort!

This is a 4-inch angle grinder that is ideal for all metal grinding, rust removal, and deburring tasks. 【Features】 ○ Sloped head design for easy visibility of the grinding surface ○ Side exhaust allows for changing the exhaust direction ○ Easy-to-grip, non-slip housing cover ○ Equipped with a spindle lock mechanism for easy wheel changes ○ Gear parts made of special steel for high durability ○ Wheel dimensions: outer diameter 100 × inner diameter 15mm ○ Total length: 226mm ○ Total height: 96mm ○ Weight: 1.8kg (lever type), 1.7kg (grip type) ○ No-load rotation speed: 12,000 r.p.m. ○ Air consumption: 0.54m3 (Normal)/min. ○ Hose fitting thread: Rc1/4 (lever type), Rc3/8 (grip type) ● For more details, please contact us or refer to the catalog.

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KAG20G?.jpg

Air Mini Angle Grinder KAG-20・20G

Perfect for light grinding work!

This is an air mini angle grinder suitable for φ50mm grinding wheels for light grinding work. 【Features】 ● Equipped with a spindle lock mechanism, allowing for easy grinding wheel replacement without the need for special tools. ● Compact head shape makes it easy to check the workpiece. ● Delivers high torque while maintaining a compact body. ● Allows for easy grinding in tight spaces. ● High power with low noise. *For more details, please contact us or refer to the catalog.

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Related catalog(1)

Power Tool Comprehensive Catalog 2025-06

Power Tool Comprehensive Catalog 2025-06

CATALOG
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Handling of WINSTAR's TFT LCD modules | For display sections of measuring instruments and industrial equipment | We accept inquiries and estimates regarding size and interface.

  • NEW
  • PRODUCT

We handle TFT LCD modules from WINSTAR for use in display sections of devices. 【We receive inquiries in the following situations】 - Wanting to update the display section of measuring instruments or control panels - Looking for LCDs to incorporate into industrial equipment - Searching for a supplier that can accommodate small quantities 【We can assist with】 - Selecting sizes and interfaces that meet application and enclosure conditions - Confirming pin assignments and arranging samples - Developing custom products and embedded systems - Selling in small lots We also handle OLED (organic EL) modules from the same WINSTAR company. Please consider these as well for devices that want to take advantage of their thinness, low power consumption, and wide viewing angles. Please check the specific specifications in the manufacturer's datasheet. We also accept requests for quotes only.

Oct 12, 2026

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Hyper CLT flooring panel

The success of CLT in civil engineering sites | Wooden lightweight mats "Hyper CLT Mats"

  • NEW
  • PRODUCT

CLT is known as a building material, but its applications are not limited to just buildings. The wooden lightweight mat "Hyper CLT Mat" is a new option for utilizing CLT in civil engineering. It can be used as a wooden mat in places where steel plates have been the norm, such as temporary roads, access routes, heavy machinery work yards, and material storage areas. The 5×10 mat is relatively light at about 230 kg, making it easy to install, remove, and relocate. Additionally, it offers different values compared to steel, such as reducing glare and metallic noise, as well as CO2 fixation through wood. Moreover, the Hyper CLT Mat is registered with the Ministry of Land, Infrastructure, Transport and Tourism as a NETIS technology "TH-250021-A." It can also be utilized for proposals involving the use of new technologies and environmental considerations in public works. From construction to civil engineering, the new use of wood is expanding in the form of wooden lightweight mats.

Oct 12, 2026

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Metal Crack Repair: MS Method for Repairing Cracks and Fractures in Machinery Equipment

  • NEW
  • PRODUCT

Metal cracks are one of the concerns in equipment maintenance operations. Conventional welding methods for repairs can cause changes in the base material around the crack due to heat, leading to residual stress and deformation, which always carries the risk of "crack recurrence" and "secondary damage." Hinode Water Supply Equipment Co., Ltd.'s "Mechanical Stitching Method" is a new technique that allows for the repair of metal cracks without applying heat. By using special bolts and reinforcement plates, the crack is physically removed without affecting the base material at all. Repairs can be made even in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. For more details, please contact us or download the catalog.

Oct 12, 2026

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Hyper CLT flooring panel

Quickly resolve your questions | We have added a Q&A page for Hyper CLT flooring.

  • NEW
  • PRODUCT

We have newly added a **"Frequently Asked Questions Q&A"** section to the Hyper CLT sheet website. It clearly summarizes many questions frequently asked by those considering the introduction of the product, such as "What types of civil engineering sites can it be used on?", "Can it be used on rainy days?", "Is it compatible with large machinery?", and "What is NETIS?". The Hyper CLT sheet is a lightweight wooden sheet utilizing wood CLT, suitable for a wide range of applications including temporary roads, access routes, and heavy machinery work yards. It is also registered as a **Ministry of Land, Infrastructure, Transport and Tourism NETIS registered technology "TH-250021-A"**. Since it is a new material, we will not leave any uncertainties unaddressed. We aim to create a website that makes it easy to resolve questions before introduction, including information on wood, NETIS, civil engineering, and CLT, and we will continue to enhance the Q&A section.

Oct 11, 2026

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Hyper CLT flooring panel

Added a glossary to the website to make technical terms easier to understand.

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  • PRODUCT

We have added a new **"Glossary"** to the Hyper CLT sheet website. In the civil engineering and construction industries, there are many specialized terms such as "CLT," "NETIS," "temporary roads," and "wooden lightweight sheets." Therefore, we have introduced related terms in an easy-to-understand manner so that those who are encountering Hyper CLT sheets for the first time can understand the products and technologies. Hyper CLT sheets are wooden lightweight sheets for civil engineering that utilize wood CLT and are registered under the Ministry of Land, Infrastructure, Transport and Tourism's NETIS technology as **"TH-250021-A."** We hope that by not only conveying the features of the product but also sharing the underlying technologies and terminology, users will feel a closer connection to Hyper CLT sheets. We will continue to enhance our website and provide clear information related to wood, NETIS, civil engineering, and CLT.

Oct 10, 2026

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