Announcement of the large impact wrench trade-in sale.

空研本社

We are pleased to announce that our company will be holding the annual large impact wrench trade-in sale as detailed below. We kindly ask you to consider making a purchase during this period. 【Sale Details】 ■ Period: From August 21, 2025, to orders placed by December 31, 2025 ■ Models: 1) 1” SQ･N type large wrenches: KW-3800ISO-GL, KW-3800proXGL, KW-4500GL, KW-3800P, KW-4500P 2) 1” SQ･D type and other large wrenches: KW-385GL, KW-420GL, KW-380P, KW-40P ■ Sale Content: For orders of eligible model 1), we will provide a trade-in discount of 15,000 yen for the collection of the trade-in machine. For orders of eligible model 2), we will provide a trade-in discount of 10,000 yen for the collection of the trade-in machine. * As an additional benefit, we will also present one original Kuken cold-resistant jacket (included with the order) without fail. * The trade-in machine must be an air impact wrench, and the manufacturer does not matter.

Ultra-lightweight N-type 1" SQ Air Impact Wrench - KW-3800proXGL

Super lightweight N-type 1" SQ air impact wrench - KW-4500GL

Date and time
Capital
Entry fee

Related product information

Ultra-lightweight N-type air impact wrench KW-3800ISO-GL
The industry's first ultra-lightweight N-type air impact wrench for wheel nut removal and installation on large ISO vehicles has arrived.

【Specifications】 ○ Insert size: 25.4mm ○ Capacity bolt diameter: 38mm ○ Maximum torque: Left 1,800Nm, Right 1,500Nm ○ Usable torque range: Left 300–1,370Nm, Right 250–1,140Nm ○ Total length (without socket): 448mm ○ Weight (without socket): 6.0kg ○ No-load rotation speed: Left 6,500rpm, Right 5,500rpm ○ Air consumption: Left 0.58m3/min, Right 0.56m3/min ○ Noise level: Left 94dB(A), Right 99dB(A) ○ Vibration value a: Left 7.8m/s2, Right 7.6m/s2 ○ Hose fitting screw size: Rc3/8 For more details, please download the catalog or contact us.
Ultra-lightweight N-type air impact wrench KW-3800proX
Contribute to the efficiency and simplification of work!

【Specifications】 ◇Insert size: 25.4mm ◇Capacity bolt diameter: 38mm ◇Practical torque range: 300–1,370N·m ◇Total length (without socket): GL type 506mm ◇Weight (without socket): GL type 7.9kg ◇No-load rotational speed: 4,500rpm ◇Air consumption: 0.63m³ (Normal)/min. ◇Noise level: 88dB(A) ◇Vibration value a (3-axis composite): GL type 6.7m/s² ◇Hose fitting thread size: Rc3/8 ◇Compressor used: 7.5kW ◇Air hose used: 9.5mm