Master Palm Pneumatic air tools are ISO 9001:2015 Certified and CE Compliant.

1/2" Heavy Duty Twin Hammer Air Impact Wrench, 400 ft/lb, 746Nm

SKU: 61240

Master Palm

1/2 Impact Wrench, 1200 IPM, 400 ft-lb, 5 Sec 500 ft-lb, 5 Sec 678 Nm, 746 Nm, 8000 RPM, 87 dBa, pneumatic impact driver, twin hammer impact wrench, Master Palm pneumatic Air Impact Wrench

  • USD$220.00
    Unit price per 
Shipping calculated at checkout.

Ship Date:

6-9 Business Days from the date of your order. Ship directly from Hot Springs, AR 71913, USA.

Quantity Discount

You have 0 items in your cart

Min. QuantityPrice
2USD$198.00/Per Unit
4USD$187.00/Per Unit
6USD$176.00/Per Unit
8USD$165.00/Per Unit

*Discount is based on your total cart quantity

Current Cart Total:


This quality impact wrench is a must for jobs at home or in the shop. The twin hammer delivers a max torque of 400 ft. lb. with 5/8" Bolt Capacity. With a free speed of 8000 RPM, this impact wrench is a whirlwind when tightening or loosening nuts and bolts! 

  • Twin hammer impact mechanism 
  • Reversible action 5/8 in. bolt capacity
Noise Rating 87 DBA
Horse Power: 0.53 Hp 0.4kw
Air Pressure: 90 Psi 6.21 Bar
Free Speed: 8000 RPM
Max. Torque Ft/Lb Nm
5sec Torque 500 Ft/Lb 678 Nm
IPM 1200
Square Drive 1/2 " 12.7 Mm
Air Consumption: 35 Scfm 12.89 M3/Min
4.92 Cfm 773.14 M3/Hr
Hose Size: 3/8 " 9.52 Mm
Hammer Type Twin Hammer  
Tool Length: 7.28 " 185 Mm
Handle Size " Mm
Impact Size " Mm
Exhaust: Side
Weight: 3.96 Lb 1.8 Kg

We Also Recommend

SKU: 68660
Sale price USD$200.00 Regular price USD$460.00
Save USD$260


Master Palm 1/2" Ultra Compact Impact Wrench - 650 Ft/lb - 881 Nm

SKU: 68640
Sale price USD$200.00 Regular price USD$350.00
Save USD$150


Master Palm 1/2" Ultra Compact Impact Wrench - 700 Ft/lb - 949 Nm

SKU: 68580
Sale price USD$400.00 Regular price USD$861.07
Save USD$461.07


Master Palm High Torque 3/4" Ultra Compact Impact Wrench, 1100 FT/LB

SKU: 68380L
Regular price USD$2,500.00


Industrial Gear Type D-Handle Impact Wrench With Long Anvil