Milwaukee® HD18 HIWF-402 1/2in Impact Wrench is the most powerful 18 Volt cordless impact wrench on the market, with a 4-pole frameless motor it delivers a staggering 610 Nm of torque, ideal for powering through the toughest of applications.

Has a 1/2in square drive with a friction ring for secure socket retention, and is ideal for heavy applications such as steel fabrication, mechanical fastening, industrial construction and automotive work. Has a light weight and ergonomical design, and the fuel gauge displays even whilst charging.

REDLITHIUM-ION™ battery pack delivers twice the run time, up to 20% more power, twice the battery life and operates better down to -20°C than other lithium-ion technologies. Individual battery cell monitoring optimises tool run time and ensures long term pack durability

Flexible battery system: works with all Milwaukee® M18™ batteries.

Supplied with 2 x 4.0Ah Li-Ion Batteries, Charger and Kitbox.


Bit Holder: 1/2in Square Friction Ring.
No Load Speed: 0-1,900/min.
Impacts Per Min: 0-2,200/min.
Max Torque: 610Nm.
Weight: 3.0kg.

  • Product Code: MILHD18HIWF4

  • Our Price (Ex VAT): £398.00
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