TW005GD201/ GZ 12.7 mm (1/2")

40Vmax Cordless Impact Driver


  • Electronic 4 stage impact power selection for added versatility
  • 3 modes of reaction time for automatic stop available both in forward and reverse rotation modes
  • Trigger switch with full speed mode allows for less hand and finger fatigue
  • Constant speed control maintains fastening torque by minimizing the rotation speed reduction caused by decreased battery capacity
  • Style of socket retention: Pin detent
  • Reverse Rotation Auto Stop Mode stops after the bolt/nut loosened enough
  • BL motor eliminates carbon brushes, enabling the BL motor to run cooler and more efficiently for longer life



Model NameTW005GD201/ GZ
Product Name40Vmax Cordless Impact Driver
Fastening CapacitiesStandard Bolt: M10 - M20 (3/8" - 3/4")
High Strength Bolt: M10 - M16 (3/8", 5/8")
Square Drive12.7 mm (1/2")
Nut-Busting Torque630N·m (465ft.lbs.)
Impacts Per Minute (IPM)0-4,000 | 0-3,400 | 0-2,600 | 0-1,800
No Load Speed (RPM)0-3,200 | 0-2,600 | 0-1,800 | 0-1,000
Max Fastening Torque350 N·m (260 ft.lbs.)
Dimensions (L x W x H)144 x 86 x 248 mm
(5-5/8 x 3-3/8 x 9-3/4")
Net Weight1.9 - 2.2kg (4.2 - 4.9lbs.)

Standard Equipment
Belt Clip, Tool Hanger Set (191K57-9)

Available Option
GD201: 1x Fast Charger, 2x 2.5Ah Battery
GZ: Without Charger, Battery & Carrying Case

*Items of standard equipment and specifications may vary by country or area. Net weight and dimensions may differ depending on the type of battery(ies) used. All pictures shown are for illustration purpose only. Continuous Usage Time/ Work Amount: Actual performance may vary based on application.