M523 22pc Air Accessory Set $23.38
M558DB 1/2" Drive Impact Wrench $43.17

10 in stock (can be backordered)



10 in stock (can be backordered)

Performance Tool 1/2″ X-Treme Duty Impact Wrench

See M631 Manual

Commercial duty twin hammer clutch delivers an impressive 1010 ft pounds nut busting torque in reverse to loosen even the most stubborn bolts and 885 ft. pounds in forward for the most demanding jobs

Composite housing is lightweight, compact and cuts down on user fatigue

Variable speed and torque settings with two forward and one reverse

Balanced motor design for low vibration and comfort during extended use

Alternate Part Numbers: M631, PT-M631

Warning Prop 65

Weight 5.15 lbs
Dimensions 7.8 × 8.4 × 3.2 in


Max Reverse Torque

1, 010 Ft / Lbs.

Max Forward Torque

885 Ft. / Lbs.


775 Ft. / Lbs. in 5 Seconds

Rec. Max Bolt Size


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