空研 Product Lineup

The "Straight Grinder" is a cutting tool from Kuken Co., Ltd., a specialized manufacturer of air tools. We offer a lineup including the "KG-10," which is ideal for chamfering and deburring operations, as well as the "KG-25 Collet Specification," suitable for removing automotive body stripes and double-sided tape, and the "KG-25T Drill Chuck Specification," designed for tire repair work on large vehicles. 【Product Lineup】 ■KG-10 ■KG-11 (Lever Type) ■KG-11G (Grip Type) ■KG-11L (Lever Type) ■KG-11LG (Grip Type) ■KG-25 (Collet Specification) ■KG-25T (Drill Chuck Specification) *For more details, please refer to the PDF document or feel free to contact us.

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The "Angle Grinder" is an air grinder that employs a rotor and bevel gear mechanism. It is suitable for various metal polishing and deburring tasks, and is available in lever and grip types. We offer a lineup including the "KAG-40 (lever type)", "KAG-40G (grip type)", and "KAG-45 (lever type)". 【Lineup】 ■ KAG-40 (lever type) ■ KAG-40G (grip type) ■ KAG-45 (lever type) ■ KAG-45G (grip type) ■ AG-70A (lever type) ■ AG-70AG (grip type) *For more details, please refer to the PDF materials or feel free to contact us.

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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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The "Mini Wax Polisher PM-045" is an air tool that allows for easy operation due to its compact size, lightweight, and low vibration, while its smooth eccentric motion enables uniform waxing with ease. It features an easy-to-hold grip that fits comfortably in the hand, providing excellent workability. 【Features】 ■ Easy uniform waxing due to smooth eccentric motion ■ Built-in noise reduction mechanism, with easily adjustable rotation speed ■ Compact, lightweight, and low vibration for easy operation ■ Easy-to-hold grip that fits comfortably in the hand *For more details, please refer to the PDF document or feel free to contact us.

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The "KST-7S" is a straight sander that demonstrates its power in polishing tasks such as line finishing and flat finishing. It allows for polishing work that is close to the feel of hand sanding and boasts high dust collection capability. 【Features】 ■ High dust collection capability ■ Low vibration and low noise ■ Compact, lightweight, and low center of gravity *For more details, please refer to the PDF document or feel free to contact us.

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The products in this series are orbital sanders that are ideal for roughing out putty and surface finishing tasks. They are lightweight, compact, and easy to use, making long hours of work comfortable. With an excellent grip, they excel in sanding speed, significantly improving work efficiency. Both non-dust and dust-collecting types are available. 【Features】 ■ Lightweight and compact, easy to use, making long hours of work effortless ■ Excellent sanding speed ■ Improved work efficiency ■ Outstanding grip *For more details, please refer to the PDF document or feel free to contact us.

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This product is a palm-type dual-action sander, ideal for finishing polishing. It can be used for sanding primers and preparing panels. We offer both non-dust and dust-collecting types. The non-dust type also includes a low-noise option. 【Features】 ■ Palm-type ■ Non-dust and dust-collecting types ■ Low-noise option available for non-dust type ■ Ideal for finishing polishing *For more details, please refer to the PDF document or feel free to contact us.

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The "Dual Action Sander Series" is a professional tool ideal for color stripping work, suitable even for beginners. We offer both non-dust-collecting and high dust-collecting models. With a low center of gravity design, it provides excellent balance and stability. Additionally, it is compact, lightweight, and has low vibration, making it comfortable to use for extended periods. 【Features】 ■ Non-dust-collecting and dust-collecting options ■ Compact and lightweight for easy operation ■ Low center of gravity design for excellent balance and stability ■ High dust collection capability (dust-collecting model) *For more details, please refer to the PDF document or feel free to contact us.

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The "DAC-05AI" is a pseudo single sander that makes it difficult to convey the coldness of the exhaust due to its reinforced resin body. It employs a strong, resilient motor that allows for everything from paint film removal to edge finishing using just one type of paper. 【Features】 ■ Non-dust collection type ■ Reduced reaction specific to single rotation ■ Adoption of a strong, resilient motor ■ Capable of paint film removal to edge finishing with just one type of paper ■ Difficult to convey the coldness of the exhaust due to the reinforced resin body *For more details, please refer to the comprehensive catalog or feel free to contact us.

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The DS-4 is a disk sander that is ideal for color stripping work. It features a simple structure, is compact and lightweight, making it easy to use. 【Features】 ■ Compact and lightweight for ease of use ■ Simple structure, robust, and low maintenance ■ Easy to replace sandpaper *For more details, please refer to the PDF document or feel free to contact us.

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The "MRS-35" is a multi mini sander that allows for a one-touch switch from single (pseudo) rotation to dual action. It is compact, lightweight, and powerful, with strong grinding capability, and features a built-in regulator for easy rotation adjustment at your fingertips. The single rotation (pseudo) mode is ideal for color removal work, polishing tasks, and blemish removal polishing. 【Features】 - Compact, lightweight, and powerful with strong grinding capability - Exhaust direction can be freely changed - 72mm pad for visibility of the sanding surface and small diameter head - Built-in regulator for easy rotation adjustment at your fingertips - Comes with a rod handle that can be mounted on either side *For more details, please refer to the PDF document or feel free to contact us.

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The "SAM-41GP" is a small, ultra-lightweight, low-noise, and low-vibration glass polisher with a waterproof design. It is ideal for removing oil films and coatings from automotive windows, as well as for applying coating agents. 【Features】 ■ Small and ultra-lightweight ■ Low noise and low vibration ■ Waterproof design *For more details, please refer to the PDF document or feel free to contact us.

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The "Air Ratchet Wrench" is a tool for fastening and loosening screws that combines an air motor, a planetary gear reduction mechanism, and a ratchet mechanism. It can tighten screws firmly, and re-tightening can be done by hand. Due to its compact and lightweight design, it is ideal for tightening tasks in narrow spaces, achieving five times the efficiency compared to manual work. 【Features】 ■ Compact and lightweight, effective for use in tight spaces ■ Does not overtighten or damage screws ■ Achieves five times the efficiency compared to manual work *For more details, please refer to the PDF document or feel free to contact us.

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The "Ratchet Impact" is a tool for attaching and detaching screws that can tighten screws strongly, and it allows for re-tightening by hand. It is a hybrid air tool featuring a ratchet mechanism and an impact clutch. 【Features】 ■ 2.5 times faster feeding speed for small screws ■ Equipped with an impact clutch ■ Reduced reaction force after screw seating ■ Low noise during tightening *For more details, please refer to the PDF document or feel free to contact us.

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The "Super Large Impact Wrench" is an impact wrench designed and developed by our company through research on the engineering of impact force. It demonstrates its power in the disassembly and maintenance of construction machinery. Additionally, it contributes to the disassembly and maintenance of construction machinery and bulldozers, as well as shipbuilding and plant construction work. [Applications] - Disassembly and maintenance of construction machinery and bulldozers - Shipbuilding and plant construction work *For more details, please refer to the PDF materials or feel free to contact us.

• Air Tools

The "Large Impact Wrench" is an impact wrench designed and developed by our company through research on the engineering of impact force. It demonstrates excellent capability in tire removal and installation tasks for large trucks and is also effective in disassembly and assembly work for construction machinery and bulldozers. [Applications] ■ Tire removal and installation for large vehicles ■ Disassembly and assembly work for construction machinery and bulldozers ■ U-bolt removal and installation for large vehicles *For more details, please refer to the PDF document or feel free to contact us.

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The "Medium-Sized Impact Wrench" is an impact wrench designed and developed through our research on the engineering of impact force. It is ideal for tire removal and installation work on light vehicles and passenger cars, and is widely used in maintenance shops and tire shops for various applications. [Applications] ■ 12.7mm Square Drive - Tire removal and installation work for automobiles and passenger cars - Disassembly and assembly work for engines and suspension systems - U-bolt removal and installation work ■ 19mm Square Drive - Tire and U-bolt removal and installation work for light trucks and 2-ton vehicles - Engine disassembly and maintenance work for large trucks - Disassembly and assembly work for construction machinery and bulldozers *For more details, please refer to the PDF document or feel free to contact us.

• Air Tools

The "Compact Impact Wrench" is an impact wrench designed and developed by our company through research on the engineering of impact force. It is suitable for maintenance work around engines and for tightening small diameter bolts, nuts, wood screws, and tapping screws of 8mm or less. 【Applications】 6.35mm hex hole / 9.5mm drive ■ Screw removal and installation work for two-wheeled vehicles and light vehicles ■ Disassembly and assembly work for small engines ■ Disassembly and installation work for fenders, bumpers, and interior components ■ Assembly work for aluminum sashes, furniture, wooden products, electrical equipment, etc. *For more details, please refer to the PDF materials or feel free to contact us.

• Air Tools

The "Power Torque Setter" is a portable (hand-held) nut runner that converts the torque generated by an air motor into high torque using a planetary gear reduction mechanism to tighten bolts. Torque can be easily set on the control panel, and a microcomputer controls it using signals from the torque sensor, allowing for high-precision tightening within ±5% without being affected by air pressure fluctuations. 【Features】 ■ Low vibration, low noise ■ One-touch switching available for both right-hand and left-hand threads ■ Battery-operated (dry batteries) so no external power source is needed ■ Soft two-stage start button for safe operation ■ Can connect to a dedicated printer or computer to keep records (optional) *For more details, please refer to the PDF materials or feel free to contact us.

• Air Tools

This is an air-powered torque control nut runner that allows for high-precision tightening torque management (with a tightening accuracy of ±5%). Its main features include: 1. Low vibration and low noise, 2. Built-in electronic control controller for easy torque setting at the operator's hand, with the ability to confirm the torque value upon completion of tightening, 3. Built-in battery eliminating the need for power supply wiring, 4. Capability to store three types of torque values and a maximum of 99 pieces, 5. Confirmation of tightening judgment results with a buzzer sound after each tightening, among others.

• Air Tools

It demonstrates incredible performance in maintenance work for construction machinery and forklifts without the need for an air hose. It also has dust and water resistance, making it suitable for long assembly tasks. It can handle the removal and installation of wheels for 40 passenger cars and loosen 1,000 wheel nuts (according to our internal tests). It features a battery level indicator to prevent running out of battery. 【Features】 ○ Lightweight design with a maximum tightening torque of 580 N·m and a weight of 2.6 kg ○ Amazing stamina, equipped with a 5.0 Ah battery, ensuring no worries during on-site work ○ Dust and water resistance, passing the environmental performance test IP56 For more details, please download the catalog or contact us.

• Torque wrench
• Spanners and wrenches
• Assembly Jig

The original air-powered nut runner from Kuken is equipped with a microcomputer. It operates on air power and is a portable nut runner that can be used with just air equipment, as it is battery-operated for control. Additionally, we offer a reliable maintenance system. We can also manufacture custom reaction force receivers verified through stress analysis. Furthermore, we can issue calibration certificates traced to international standards (for a fee). For more details, please download the catalog or contact us.

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• Torque wrench

We are pleased to announce that our company will be launching a data logger system (LOG specification) for the "Power Torque Setter" series of air-operated nut runners.

• Air Tools

6.35mm hexagonal hole air impact driver main features include: ● Compact and lightweight design that fits comfortably in the hand ● Oil bath type clutch for excellent durability ● Various levers for outstanding operability, among others.

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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

The main features are: compact and lightweight, side exhaust, built-in silencer, equipped with a resin grip cover, and can also use cutting wheels, etc.

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This air impact wrench features our unique N-type clutch mechanism, with main characteristics including: 1. compact and ultra-lightweight, 2. stable impact power, 3. low air consumption, 4. vibration and cold resistance achieved through the use of a resin grip, and 5. enhanced protection and visibility of the body with the adoption of a high-function protector, among others.

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The "Power Torque Setter" is a portable (handheld) nut runner that converts the torque generated by an air motor into high torque using a planetary gear reduction mechanism to tighten bolts. It features an automatic two-speed transmission mechanism for high-speed and low-speed rotation, which enhances work speed. Additionally, torque can be easily set on the control panel, and a microcomputer controls it using signals from the torque sensor, allowing for high-precision tightening within ±5% without being affected by fluctuations in air pressure. 【Features】 ■ Low vibration, low noise ■ Built-in electronic control controller enables advanced torque management ■ Automatically stops when the set torque is reached ■ One-touch switching available for right-hand and left-hand threads ■ Battery-operated (dry batteries) so no external power supply is needed *For more details, please refer to the PDF document or feel free to contact us.

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The "Pro Series" is an impact wrench equipped with our unique N-type clutch mechanism, which features ultra-lightweight, low vibration, and high durability. We offer a wide range of models, including the "KW-1600proX" with a 12.7mm square drive and the "KW-3800proXGL" with a 25.4mm square drive. 【Features】 ■ High-efficiency soundproof structure ■ Highly visible resin protector ■ Various levers focused on operability ■ Low noise, low vibration ■ Stable impact *For more details, please refer to the PDF materials or feel free to contact us.

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The "Compact Impact Wrench and Impact Driver" is ideal for maintenance tasks around engines and small diameter screw work. We offer various models of impact drivers, including the hard joint specification "KW-50," the super soft joint specification "KW-50S," and the 9.5mm square drive "KW-7P." 【Features】 ■ Ideal for small diameter screw work ■ Equipped with an "oil bath mechanism" that blends grease and oil in the clutch ■ Achieves high durability *For more details, please refer to the PDF document or feel free to contact us.

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• Assembly Jig

Ideal for tire mounting and dismounting work on light vehicles and passenger cars! Widely used in maintenance shops and tire shops, this medium-sized impact wrench features: 【Features】 ○ Compact and lightweight ○ Resistant to overload, with fewer failures ○ Easy to achieve high-speed rotation ○ Excellent water resistance ○ No risk of ignition, explosion, or electric shock ○ Easy speed adjustment, etc. ○ Socket size: 12.7mm KW-140P/KW-140HP/KW-140HP-2/KW-14MP/KW-19HP ○ Socket size: 19.0mm KW-20P/KW-230P/KW-20Pl/KW-20Gl-6/KW-20Gl ● For other functions and details, please download the catalog.

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The "Medium to Extra Large Impact Wrench" is a product developed through research and engineering of impact force. We offer a range of models from medium to extra large, each utilizing its unique features. We have a rich selection, including the "KW-L17GV," which demonstrates its power in the removal and attachment of concrete formwork, as well as the large impact wrench "KW-385GL." [Features] <Medium Oil Bath Impact Wrench> ■ Improved work efficiency due to the adoption of a two-hammer clutch ■ Excellent durability with an oil bath type clutch ■ Impact vibrations are not transmitted to the handle (KW-L17GV) *For more details, please refer to the PDF document or feel free to contact us.

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Demonstrates power in disassembly and maintenance work for construction machinery! Super large impact wrench 【Features】 ○ Compact and lightweight ○ Resistant to overload, with few failures ○ Easy to achieve high-speed rotation ○ Excellent water resistance ○ No risk of ignition, explosion, or electric shock ○ Easy speed adjustment ○ Socket sizes (mm) ・KW-45F 25.4・38 ・KW-45FS #5SP ・KW-75F 38 ● For other functions and details, please download the catalog.

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A tool ideal for tightening work in narrow spaces 【Features】 ○ Compact and lightweight, effective for use in tight areas ○ Does not overtighten or damage screws ○ Achieves five times the efficiency compared to manual work ○ Maximum torque: KR-133A: 20N·m, KR-153/183: 30N·m ○ No-load rotational speed: KR-133A: 300 r.p.m., KR-153/183: 160 r.p.m. ○ Noise level: KR-133A: 83 dB(A), KR-153: 88 dB(A), KR-183: 87 dB(A) For more details, please download the catalog or contact us.

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Ideal for color stripping work! Disc Sander 【Features】 ○ Compact and lightweight for easy use ○ Simple structure, robust, and low failure rate ○ Easy sandpaper replacement ○ Sandpaper size: Φ100mm ○ No-load rotation speed: 13,000 r.p.m. ○ Air consumption: 0.43m3 (Normal)/min. ○ Hose connection thread: Rc1/4 ○ Recommended compressor: 2.2kW ● For more details, please download the catalog or contact us.

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The adoption of a reinforced resin body makes it difficult to convey the coldness of the exhaust. Pseudo Single Sander 【Features】 ○ From paint film removal to edge finishing with a single type of paper ○ Reduced reaction specific to single rotation ○ Adoption of a strong, durable motor ○ Paper size used: Φ125mm ○ No-load rotation speed: 8,500 r.p.m. ○ Noise level: 84dB(A) * Noise level data at air pressure 0.6MPa(Pe) under no load ○ Hose connection thread: Rc1/4 ○ Non-dust collection type ● For more details, please download the catalog or contact us.

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One-touch switch from single rotation to dual action! Multi Mini Sander 【Features】 ○ Compact, lightweight, and powerful with strong grinding capability ○ Exhaust direction can be freely changed ○ 72mm pad for checking the sanding surface and small diameter head ○ Built-in regulator for easy rotation adjustment at hand ○ Comes with a rod handle that can be attached on either side ○ Noise level: 81.5dB(A) ○ Hose connector screw: Rc1/4 ● For more details, please download the catalog or contact us.

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The "Dual Action Sander Series" is a professional tool that can be used even by beginners. It is versatile, compact, and lightweight, making work easier. Additionally, its low center of gravity design provides excellent balance and stability. Furthermore, it has low vibration, allowing for long hours of work without fatigue. 【Features】 ■ Compact and lightweight for easy operation ■ Low center of gravity design for excellent balance and stability ■ Low vibration for fatigue-free long hours of work ■ High dust collection capability (dust collection type) *For more details, please refer to the PDF materials or feel free to contact us.

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The "Dual Action Thunder Palm Type Series" is a product handled by Kuuken, which designs, manufactures, and sells air tools. We offer various models including the "DAM-0531," which is ideal for ultra-finish polishing, as well as the "DAM-055" and "DAM-05A." 【Features】 ■ Palm type series ■ Compact and lightweight, suitable for long hours of work ■ Ideal for paint stripping, rust removal, and deburring of welds ■ Perfect for metal polishing and baked coatings ■ Usable in industries ranging from general manufacturing to aerospace *For more details, please refer to the PDF document or feel free to contact us.

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Lightweight, compact, and easy to use, capable of handling long hours of work Orbital Sander 【Features】 ○ Excellent grinding speed, significantly improving work efficiency ○ Dust collection type ○ Paper size used: 100×180mm ○ Orbit diameter: 7mm ○ No-load rotation speed: 7,000 r.p.m. ○ Air consumption: 0.45 m3 (Normal)/min. ○ Hose connection thread: Rc1/4 ● For more details, please download the catalog or contact us.

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Straight sander that demonstrates power in line finishing, flat finishing, and reverse arcs. 【Features】 ○ Allows for polishing work that feels close to hand sharpening. ○ Low vibration and low noise. ○ Compact, lightweight, and low center of gravity. ○ Hose connection screw: Rc1/4. ○ KST-7S with dust collection system and high dust collection capability. ・ Air consumption: 0.25 m3 (Normal)/min. ● For more details, please download the catalog or contact us.

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This is an introduction to the small and lightweight straight grinders handled by Kuken, a company that values "high technology" and "dialogue with users." 【Product Lineup】 ○ KG-10 Chamfering and deburring of processed surfaces ○ KG-25 Eraser Specification Removal of body stripes and double-sided tape from automobiles ○ KG-25T Tire Buff Specification Repair work for large vehicle tires ● For more details, please download the catalog or contact us.

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Introducing the compact "Air Drill," which demonstrates high work efficiency with a lineup suitable for various drilling tasks. The "KDR-605," capable of drilling holes up to φ6mm, can be widely used for various drilling tasks, primarily in residential aluminum sashes, truck body construction, automotive sheet metal work, and low-voltage electrical work. 【Features】 - Compact, powerful, and easy to use - Equipped with a silencer, resulting in quiet exhaust noise *For more details, please refer to the PDF document or feel free to contact us.

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• drill

We introduce the "Air Drill," a reversible type that demonstrates high work efficiency with a lineup suitable for various drilling operations. We handle the "KDR-901R," a left-right rotating drill that expands the working range. 【Features】 ■ Compact, powerful, and easy to use ■ Equipped with a silencer, the exhaust sound is quiet ■ Easy speed adjustment *For more details, please refer to the PDF document or feel free to contact us.

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• drill

Ideal for automotive maintenance and bodywork! With a slow start for precision targeting and the adoption of vibration-dampening grips, the air chisel has significantly improved usability. 【Features】 ○ Compact, lightweight, and powerful ○ Simple structure with fewer breakdowns ○ Easy to use in tight spaces ○ Built-in regulator (BRH-8K) ○ BRH-6K ・Chisel shaft diameter: 10.2mm ・Impact rate: 1,800bpm ○ BRH-8K ・Chisel shaft diameter: 12.7mm ・Impact rate: 1,500bpm ● For more details, please download the catalog or contact us.

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