Humberg HM-442 is a powerful cordless impact wrench designed for users who want high power without a cable and, at the same time, reliable accessories right in the box. The brushless motor reduces overheating, limits wear and helps use battery energy more efficiently.
What you will appreciate in practice:
- Brushless motor – no sparking and higher efficiency, suitable for longer-lasting load.
- Stable power 850 Nm – intended for demanding loosening of bolted joints (e.g. wheels, chassis).
- Durable impact mechanism – hardened parts and robust construction for repeated load.
- 2 speed modes (Low/High) – ability to adjust speed and impact frequency according to the type of work.
- Brake Stop – after loosening a nut in reverse, the device stops automatically.
- Quick Stop electronic brake – spindle stops after releasing the trigger in <0.2 s.
- MAX POWER CHECK™ battery status indication – quick energy-level check using LED indicators.
- Non-slip grip – rubberized handle resistant to oils, gasoline and workshop lubricants.
Package contents include the Humberg HM-442 impact wrench, Li-Ion 21 V 4.0 Ah battery, bench charger, 3 deep Cr-Mo impact sockets (17/19/21 mm), shoulder strap with carabiner, Japanese NSK LG 2 grease, and a rigid carrying case. Includes a manual in Polish.