空研 List of Products and Services

The "Rechargeable Impact Wrench" is an electric tool that employs the Epro clutch mechanism. You can experience a different kind of impact performance compared to air impact wrenches. We offer 12.7mm square drive and 19mm square drive options. 【Features】 ＜KW-E190pro＞ ■ Adoption of Epro clutch mechanism ■ Equipped with a 4.2Ah lithium-ion battery (18V) ■ Strong against rain, with environmental performance rated IP56 ■ Supports prevention of battery depletion with a remaining charge indicator *For more details, please refer to the PDF document or feel free to contact us.

• Power tools

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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• Other work tools

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.

• Other work tools

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.

• Other work tools

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.

• Air Tools

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

The "KW-E250pro" is a rechargeable impact wrench that achieves high power while maintaining low vibration and low noise, thanks to the unique Epro clutch mechanism developed by Kuukan. 【Features】 ◆ High power with a maximum tightening torque of 750Nm ◆ Low vibration and low noise, weighing only 3.6kg, which reduces the burden on the operator ◆ Equipped with a large-capacity battery (4.2Ah lithium-ion battery (21.6V)) ◆ Brushless motor and electronic switch design for high durability ☆ A demo unit is available for those who are interested! 【For more details, please download the catalog or feel free to contact us】

• Power 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.

• Other work tools
• 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.

• Hydraulic Equipment
• driver
• Other Auto Parts

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.

• Other cutting tools
• Other work tools
• 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.

• others

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.

• Other machine tools
• Other Auto Parts

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.

• controller
• Other work tools

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.

• controller
• Other work tools

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.

• Other machine elements
• Other work tools
• 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.

• Other machine elements
• Other work tools

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.

• Other work tools
• Assembly Jig

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.

• Other work tools
• Assembly Jig

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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• Other work tools

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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• Other work tools

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.

• Other cutting tools
• Other work tools

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.

• Other cutting tools
• Other work tools

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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• Other work tools

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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• Other work tools

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.

• Other cutting tools
• Other work tools

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.

• Other cutting tools
• Other work tools

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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• Other work tools

A grinder that is ideal for all metal grinding and deburring tasks. 【Features】 ○ Grip type AG-70AG ○ Lever type AG-70A ○ AG-70A - No-load speed: 6,500 r.p.m. - Total length: 320 mm - Air consumption: 0.70 m3 (Normal)/min. ○ AG-70AG - No-load speed: 7,500 r.p.m. - Total length: 270 mm - Air consumption: 0.70 m3 (Normal)/min. ● For more details, please download the catalog or contact us.

• Grinding Machine
• Other cutting tools
• Other work tools

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.

• Other work tools
• 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.

• Other work tools
• drill

We introduce the powerful "Air Drill," which demonstrates high work efficiency with a lineup suitable for various drilling operations. The "KDR-1301A" excels in the assembly and frame processing of large vehicles. 【Features】 ■ Compact, powerful, and easy to use ■ Equipped with a silencer, resulting in quiet exhaust noise ■ Easy speed adjustment ■ Effective for the assembly and frame processing of large vehicles *For more details, please refer to the PDF document or feel free to contact us.

• Other work tools
• 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.

• Other cutting tools
• Other work tools

Ideal for removing slag after welding, roughening concrete and rock surfaces, rust removal from steel plates, paint stripping, and sand removal from castings! Needle scaler 【Features】 ○ High-speed, powerful, and smooth ○ Vibration and cold-resistant grip ○ Slim tip design ○ Chisel shaft diameter: 3mm x 12 pieces ○ Total length: 210mm (without needles) ○ Weight: 1.2kg (without needles) ○ Air consumption: 0.15 m³ (Normal)/min. ○ Hose connection thread: 1/4 Rc ● *As an option, there are also needles 2mm x 29 pieces available. The total length of the 3mm diameter needle is 125mm, and the 2mm diameter is 180mm. For more details, please download the catalog or contact us.

• Other cutting tools
• Other work tools

1) Low vibration and low noise, 2) Easy torque setting at hand due to built-in electronic control controller, with the ability to confirm the torque value upon completion of tightening, 3) Preset type that can store three types of torque values in advance, 4) No power supply wiring needed due to built-in battery, 5) High-speed rotation until the bolt is seated, ensuring good workability.

• Other machine tools
• Other work tools

It is a professional machine tool powered by compressed air.

• Spanners and wrenches
• Assembly Jig

It is a professional machine tool powered by compressed air.

• Spanners and wrenches
• Assembly Jig

It is a professional machine tool powered by compressed air.

• Spanners and wrenches
• Assembly Jig

It is a professional-grade power tool that uses compressed air as its power source.

• Spanners and wrenches
• Assembly Jig

It is a professional machine tool powered by compressed air.

• Spanners and wrenches
• Assembly Jig