1/2 heavy duty air impact wrench
1.This product has the safe explosion-proof light weight, small volume, high efficiency, simple
structure, convenient maintenance and a series of characteristics.
2.To meet the coal mine pressure fluctuations in output steady speed under the condition
of use requirement,
3.can be used for tightening of u-shape stents and bolt nut and remove the mixing and other
mechanical and electrical equipment
4.resin bolt fit the nut, can improve the use performance of steel support and bolting,ensure
the quality of support.
5.This series of pneumatic wrench can also be widely used in automobile, shipbuilding,
petrochemical industry, vehicles, engineering and construction industries
| Model | HW-1506 | HW-1918 | HW-1920 |
| Square drive(inch) | 1/2" | 1/2" | 1/2" |
| Capacity Bolt size(mm) | M16 | M17 | M18 |
| Free Speed(rpm) | 7500rpm | 7500rpm | 7000rpm |
| Max Torque | 720Nm 530ft-Ib | 720 Nm 530ft-Ib | 850 Nm 630ft-Ib |
| Overall Length(mm) | 180mm | 180mm | 190mm |
| Air Hose(I.D) | 3/8" | 3/8" | 3/8" |
| Air Inlet(PT) | 1/4" | 1/4" | 1/4" |
| Air comsumption(cfm L/min) | 4.2cfm 119L/min | 4.2cfm 119L/min | 4.2cfm 119L/min |
| Net weight(lbs/kgs) | 5.63Ibs 2.56kgs | 5.85Ibs 2.66kgs | 5.94Ibs 2.70kgs |
| Recommended Air pressure | 6.3kg/(90psi) | ||
Contact person:Sabrina
Mobile:+15206702189
WhatsApp:+86 15206702189
Wechat: +86 15206702189
Email: hwzg003(at)