空研 List of Products and Services

The "Ratchet Impact" is a tool for attaching and detaching screws that can tightly fasten screws and allows for manual tightening. It is a hybrid air tool that combines a ratchet mechanism with 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 that our company has researched, designed, and developed based 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.

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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, maintenance, and assembly work for construction machinery and bulldozers. [Applications] - Tire removal and installation for large vehicles - Disassembly, maintenance, 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 by our company through 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 components - 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.

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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 document or feel free to contact us.

• Work tools

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. The 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 ■ One-touch switching available for right-hand and left-hand threads ■ Battery-operated (dry batteries) so no external power source is required ■ Safe operation with a soft two-stage start button ■ 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 compressors, blowers and pumps
• Work tools

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

• Work tools

Demonstrates power in grinding work 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.

• Work tools

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

• Work tools

This air impact wrench features our unique N-type clutch mechanism, with main characteristics including: 1. compact and ultra-lightweight, 2. stable impact force, 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 through the adoption of a high-functionality protector, among others.

• Work tools
• Concrete Machinery

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 helps to speed up work. Additionally, torque can be easily set on the control panel, and a microcomputer controls the process 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 ■ 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 source is required *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 document or feel free to contact us.

• Work tools
• Bulldozers and scrapers

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】 ■ Perfect 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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Ideal for tire removal and installation work on light vehicles and passenger cars! Widely used in maintenance shops and tire shops, this medium-sized impact wrench offers: 【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.

• Work tools
• Bulldozers and scrapers

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 designed to leverage its unique features. Among our offerings is the "KW-L17GV," which demonstrates its power in the removal and attachment of concrete formwork, as well as the large impact wrench "KW-385GL," among many others. 【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 materials or feel free to contact us.

• Work tools
• Bulldozers and scrapers

Demonstrates power in disassembly and maintenance work of construction machinery! Super large impact wrench 【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 to adjust speed ○ Socket sizes (mm) ・KW-45F 25.4・38 ・KW-45FS #5SP ・KW-75F 38 ● For other functions and details, please download the catalog.

• Work tools
• Bulldozers and scrapers

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: 83dB(A), KR-153: 88dB(A), KR-183: 87dB(A) For more details, please download the catalog or contact us.

• Air conditioning
• Work tools

Ideal for color stripping work! Disc Sander 【Features】 ○ Compact and lightweight, easy to 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 type ● For more details, please download the catalog or contact us.

• 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 mounted on either side ○ Noise level: 81.5dB(A) ○ Hose fitting screw: Rc1/4 ● For more details, please download the catalog or contact us.

• Work tools

The "Dual Action Sander Series" is a professional tool that can be used even by beginners. It is versatile and compact, 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 document or feel free to contact us.

• 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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Lightweight, compact, and easy to use, capable of handling long hours of work Orbital Sander 【Features】 ○ Excellent polishing 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.

• Work tools

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

• Work tools

This is an introduction to the compact 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 work surfaces ○ KG-25 Eraser Specification Removal of automotive body stripes and double-sided tape ○ KG-25T Tire Buff Specification Repair work for large vehicle tires ● For more details, please download the catalog or contact us.

• Work tools

A grinder 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.

• Work tools

We would like to introduce our 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 bodywork, automotive sheet metal, 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 materials or feel free to contact us.

• Work tools

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 range of work. 【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.

• Work tools

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, the exhaust sound is quiet ■ 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.

• Work tools

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.

• 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 Chisel 【Features】 ○ High-speed, powerful, and smooth ○ Vibration-resistant 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 fitting thread: 1/4Rc ● *As an option, there are also needles measuring 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.

• 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 need for power supply wiring due to built-in battery, 5) High-speed rotation until the bolt is seated, providing good workability.

• Work tools

It is a professional machine tool powered by compressed air.

• Work tools
• Bulldozers and scrapers

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

• Work tools
• Equipment leasing and rental

It is a professional machine tool powered by compressed air.

• Work tools
• Bulldozers and scrapers

It is a professional machine tool powered by compressed air.

• Work tools
• Bulldozers and scrapers
• Construction machinery leasing and rental

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

• Work tools
• Bulldozers and scrapers
• Construction machinery leasing and rental

In fastening operations for frequently used bolts in construction machinery, agricultural machinery, vehicles, bridges, etc., the durability is improved compared to the impact wrench you are currently using. (For industrial use)

• Work tools

In construction machinery, agricultural machinery, vehicles, bridges, etc., the durability of the impact wrench you are currently using will be improved for high-frequency bolt tightening tasks. (For industrial use) 【Features】 ○ Ultra-lightweight at 2.8kg <Light!!> ○ Low vibration and low noise ○ Achieves 78dB(A) through the unique high-efficiency silencing structure of Air Katsu Co., "Multi-expansion type exhaust silencer structure (patent pending)" (At non-driven air pressure of 0.6MPa (Pe)) ○ No clogging or freezing due to drainage ○ High-function grip that fits comfortably in hand ○ Adoption of high-function protector ○ Start lever designed with operability in mind ○ Insertion size: 12.7mm ○ Capacity bolt diameter: 16mm (high strength) ○ Overall length (without socket): 216mm ○ Weight (without socket): 2.8kg ○ No-load rotation speed: 4,500 r.p.m. ○ Air consumption: 0.37m3 (Normal)/min. ○ Noise level: 78dB(A) ○ Hose fitting thread: Rc1/4 ○ Required compressor: 3.75kW ○ Required air hose: 9.5mm

• Work tools

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

• Work tools
• Equipment leasing and rental

It is ideal for the removal and installation of tires and U-bolts on light trucks and 2-ton vehicles, and is widely used in maintenance shops and tire shops for various applications.

• Work tools
• Bulldozers and scrapers

It is ideal for the removal and installation of tires and U-bolts on light trucks and 2-ton vehicles, and is widely used in maintenance shops and tire shops for various applications.

• Work tools
• Bulldozers and scrapers
• Construction machinery leasing and rental

It is ideal for the removal and installation of tires and U-bolts on light trucks and 2-ton vehicles, and is widely used in maintenance shops and tire shops for various applications.

• Work tools
• Bulldozers and scrapers

Ideal for tire and U-bolt removal and installation work on light trucks and 2-ton vehicles, widely used in maintenance shops and tire shops for a variety of applications.

• Work tools
• Bulldozers and scrapers

It is a professional machine tool powered by compressed air.

• Work tools
• Bulldozers and scrapers