D-Handle Air Impact Wrench 1-1/2″ Twin Hammer | WS-220 Series

  • Std. Bolt Cap.: 1-3/4″
  • Free Speed: 4,300 rpm
  • Air Inlet: 1/2″ PT or NPT
  • Air Consumption: 21.2 cfm (600 L/min)
  • Air Pressure: 90 psi (6.2 bar)
  • Min. Hose Size: 3/4″ (19 mm)
  • Noise: 108 dB (A)
D-Handle Air Impact Wrench 1-1/2″ Twin Hammer | WS-220 Series



  • Rear-weighted design to prevent forward tilting.
  • Patented two-stage trigger for easy control and low-pressure/high-speed activation.

Motor Design of D-Handle Air Impact Wrench

  • Spring-enhanced motor blades for better low-pressure activation.
  • Concealed holes in blade activation air inlet for extended lifespan.
  • Optimized air intake angle and larger exhaust flow channel.

Motor and Casing

  • Tightly matched motor and casing for enhanced torque and air tightness.
  • Competitive advantage over loose fit, ensuring longer lifespan and sustained torque.

Impact Structure Design

  • Extended impact surface with bead blasting for improved stress resistance.

Tool and Control Switch

  • Ball-type and valve-type switch design with low back pressure.
  • Four-speed settings on each side for user convenience.
  • Bottom rotation for forward and reverse control.


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