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Makita 12.7mm( 1/2") Cordless Impact Wrench TW004GZ

by Makita

Model: Makita TW004GZ

12.7mm (1/2") 40Vmax XGT BL XPT Cordless Impact Wrench (Tool Only)


  • Increased motor speed under load delivers higher torque than DTW300 and DTW301
  • 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
  • Compact design with a short overall length of 144 mm
  • Constant speed control maintains fastening torque by minimizing the rotation speed reduction caused by decreased battery capacity
  • Style of socket retention: C ring
  • Reverse Rotation Auto Stop Mode stops after the bolt/nut loosened enough
  • Twin LED lights with preglow and afterglow functions for better illumination
  • Powered by 40Vmax XGT Li-Ion battery
  • BL motor delivers 350 N·m (260 ft.lbs.) of max torque and 630 N∙m (465 ft.lbs.) of nut-busting torque
  • BL motor is electronically controlled to optimize battery energy use for longer run time per charge
  • BL motor eliminates carbon brushes, enabling the BL motor to run cooler and more efficiently for longer life
  • Excellent performance in continuous heavy duty applications
  • Ergonomically designed handle with rubberized soft grip
  • XPT (eXtreme Protection Technology); For use in outdoor applications or harsh environments, protection from dust and dripping water is enhanced
  • Electric brake stops the rotation gently but fast, allowing user to quickly resume operation
  • Reversing switch is conveniently located
  • Phosphorescent bumper glows blue in dark places. Durable, reversible belt clip convenient for temporary tool hanging. Battery protection circuit protects against overloading, over-discharging and over-heating

Note: Battery and Charger not Included


Belt Clip


ning Capacities Standard Bolt: M10 – M20 (3/8 – 3/4″)
High Strength Bolt: M10 – M16 (3/8 – 5/8″)
Square Drive 12.7 mm (1/2″)
No Load Speed (RPM) Max / Hard / Mid / Soft: 0 – 3,200 / 2,600 / 1,800 / 1,000
Impacts Per Minute (IPM) Max / Hard / Mid / Soft: 0 – 4,000 / 3,400 / 2,600 / 1,800
Max Fastening Torque 350 N·m (260 ft.lbs.)
Nut-Busting Torque 630 N·m (465 ft.lbs.)
Max Output 520 W
Vibration Level Impact tightening of fasteners of the maximum capacity of the tool: 16.5 m/s²
Vibration K Factor Impact tightening of fasteners of the maximum capacity of the tool: 1.5 m/s²
Sound Pressure Level 99 dB(A)
Sound Power Level 110 dB(A)
Noise K Factor 3 dB(A)
Dimensions (L x W x H) w/ BL4020 / BL4025: 144 x 86 x 248 mm (5-5/8 x 3-3/8 x 9-3/4″)
w/ BL4040: 144 x 86 x 253 mm (5-5/8 x 3-3/8 x 10″)
Net weight 1.9 – 2.2 kg (4.2 – 4.9 lbs.)