HOME > Product Information > Bolt fastening > [Discontinued]KW-1600Spro



Our own developed N-type clutch system resolved all the weak points of conventional impact wrench.


  • Stable stroke...........Improved uneven stroke which conventional tool has.
  • Compact & Light weight..Much compact size compare with conventional tool and less air consumption too.
  • Stabled lubrication function..Grease dosen't fly off from necessary portion.
  • Better durability.......No jumping action of part like conventional wrench.Torque power doesn't deteriorate for a long period.


  • Tyre or U-bolt setting work for truck and 2-tons truck.
  • Engine maintenance work of heavy truck.
  • Assembly/disassembly work of bridge/steel-frame building.

Catalogue (PDF)


Drive size 1/2 in. 12.7 mm
Capacity bolt size 5/8 in. 16.0 mm
Recommended torque range 74-240 ft-lb 100-330 Nm
Weight(w/o socket) 3.1 lbs. 1.4 kg
Length(w/o socket) 6-1/2 in. 165 mm
Maximum torque 360 ft-lb 490 Nm
Free speed - 8,000 r.p.m.
Impact per min. - 1,500 i.p.m.
Air consumption(Normal) 10.6 c.f.m. 0.30 m³(Normal)/min
Hose size 1/4 in. 6.5 mm
Aivil Length(KW-1600Spro) 13/16 in. 20.0 mm
Aivil Length(KW-1600Spro-2) 2-7/16 in. 61.0 mm
Performance figures are at 0.62 MPa(Pe) (90P.S.I.) air pressure.

Outline View (PDF)

Appearance and specifications are subject to change without notice.
We appreciate your understanding.

Other Disclaimer

Parts List

You can download the parts list of current production.

Catalog Request,Contact US


3-6-15,Nonoue Habikino-Shi,Osaka,583-0871 KUKEN Co.,Ltd.

To Page Top