OpenClose GDS 18V-400 PROFESSIONAL CORDLESS IMPACT WRENCH Bosch’s Powerful 400Nm Impact Wrench, where Power & Durability Come Together Most powerful device in the mid torque class Ideal for various bolting applications Powerful enough to tighten M20 bolts (30mm nuts) thanks to 400 Nm torque Improved robustness thanks to higher lifetime of the critical components Auto Bolt Release (ABR) feature makes disassembling easier by ensuring tool is automatically stop when nuts are loosen Additional data Weight excl. battery 1.25 kg Torque, max. 400 Nm No-load speed 0-2,500 rpm No-load speed (1st level) 0-0 rpm No-load speed (2nd level) 0-0 rpm No-load speed (3rd level) 0-0 rpm Impact rate 0-3,700 bpm Breakaway torque, max. 600 Nm Tool holder 1/2'' Square Screw diameter Screw diameter M 10 – M 20 Total vibration values (Tightening screws and nuts of maximum permitted size) Vibration emission value ah 10 m/s² Uncertainty K 1.5 m/s² Tightening screws and nuts of maximum permitted size Vibration emission value ah 10 m/s² Uncertainty K 1.5 m/s² The A-rated noise level of the power tool is typically as follows: Sound pressure level dB(A); Sound power level dB(A). Uncertainty K= dB.