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It proves its excellent performance for construction machinery etc.


  • Overhaul work of construction machinery.
  • Shipbuilding & plant construction work.


Drive size 1 in. 25.4 mm
Capacity (bolt size) 1-5/16 in** 33.0 mm**
Recommended torque 580-2,150 ft-lb 780-2,900 Nm
Weight (w/o socket) 37.8 lbs. 17.2 kg
Length (w/o socket) 18-11/16 in. 474.0 mm
Free speed - 2,800 r.p.m.
Impact per min. - 550 i.p.m
Air consumption (Normal) 30.0 c.f.m. 0.85 m³/min
Hose size 1/2 in. 12.7 mm
Anvil length 2-3/16 in. 54.0 mm
**Designed for high tension bolt.
Performance figures are at 0.62MPa(Pe) (90P.S.I.) air pressure.

Parts List

You can download the parts list of current production.

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

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