The modern brushless motor eliminates friction and sparking, significantly reduces heating under load, and can use battery energy more efficiently. The result is stable performance and longer operation per charge.
The impact wrench is built on hardened steel components (anvil, impact transfer mechanism) and uses a 1/2" square drive for standard impact sockets. It offers up to 0–3200 IPM for effective loosening of stuck fasteners.
The 4.0 Ah Li-Ion battery with BMS protection and LED indicator makes it easy to check remaining power and helps plan work without unnecessary downtime. The robust case stores the entire set including deep Cr-Mo impact sockets (17/19/21 mm) and accessories for immediate use.
Humberg HM-440 is a powerful cordless impact wrench that combines stable output, a durable impact mechanism, and practical features for safer work. Thanks to brushless technology, it has higher efficiency, heats up less, and uses battery energy more effectively.
Why choose the HM-440:
In the case you will find complete equipment for immediate use: the wrench, a 4.0 Ah Li-Ion battery, charger, deep Cr-Mo impact sockets (17/19/21 mm), shoulder strap with carabiner, and Japanese NSK LG 2 grease. Included is a manual in Polish (the manual language does not change).
