Sunex 1/2 Inch Super Duty Impact Wrench

Add to Wishlist
Part# 12-03188
MFR Model# SX4348


Sunex HD® ½” Super Duty Impact Wrench has all of the durability, features, and power that mechanics have come to expect. From the powerful 7 vane motor to the composite blades, you have access to an unheard of breakaway torque of 1,300 ft.lbs.

With an Easy Touch variable speed trigger, you can harness this power to complete any job quickly and efficiently. Top it off with the reliable twin hammer clutch, this product will last for years to come. 2 Year Limited Warranty.

California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm -


  • 7 Vane motor that delivers an amazing 1,300 ft.lbs of breakaway torque
  • Easy touch variable speed trigger gives control throughout the speed range
  • Three forward and one reverse power settings enable to match the power to the application
  • Composite rotor blades enable this tool to go longer without oil than conventional less expensive rotor blades


  • Square Drive in.: 1/2
  • Max Torque ft.lbs.(Nm): 800 (1085)
  • Working Torque ft.lbs. (Nm): 50-600 (68-814)
  • Free Speed (rpm): 7,500
  • Overall Length in.(mm): 7.38 (188)
  • Weight lbs.(kg): 4.2 (1.9)
  • Avg. Air Consumption cfm (l/min): 4.2 (119)
  • Sound Pressure (dBA): 93
  • Vibration (m/s2): 6.79
  • Air Inlet Size NPT (in.): 1/4
  • Min. Hose Size in.(mm): 3/8 (10)



Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Can the NM be adjusted?

It has three settings that can be adjusted on the back of the gun.

View in Catalog

View Image View in Catalog