BK-540 Impact Wrench

BK-540 Impact Wrench

18/03/2026
BK-540 Impact Wrench

BK-540 Impact Wrench

Model: BK-540 (Impact Wrench)
Category: 20V Lithium-ion (Brushless Series)
Battery Capacity: 4000mAh
No-load Speed:

1st Gear: 1200 RPM
2nd Gear: 1600 RPM
3rd Gear: 2000 RPM
4th Gear: 2500 RPM
Impact Frequency: 0 – 4900 IPM
Max Torque: 420 N.m
Application Range: M6 – M16
Charging Time: Approx. 130 minutes (Standard Charger)
Continuous Runtime: Approx. 70 minutes (at highest gear)
Packaging: Blow-molded case + Color sleeve
Net Weight: 1.4 kg (excluding battery)
Dimensions: 243 * 157 * 60 mm (including battery)