M7 NE-421 1/2-Drive Air Ratchet 50 ft-lb Reverse
M7 NE-421 is a 1/2-inch-drive pneumatic ratchet with distinct forward and reverse ratings. The listed forward torque range is 10–35 ft-lb, while maximum reverse torque is 50 ft-lb. Free speed is 160 RPM, average air consumption is 4 CFM and operating pressure is 90 PSI. The right-angle head and throttle lever provide the tool's approach and control details.
Specifications and included details
- 1/2-inch square drive; forward torque 10–35 ft-lb.
- Maximum reverse torque 50 ft-lb; free speed 160 RPM.
- Average air consumption 4 CFM at listed 90 PSI operating pressure.
- Right-angle head and throttle lever; listed length 10-3/8 inches.
Before ordering
Compare forward and reverse output separately. The 50 ft-lb headline is not the listed forward working range or a calibrated final-tightening setting. Confirm inlet and hose requirements in the manufacturer's instructions.
Product questions and answers
Is 50 ft-lb the forward torque of M7 NE-421?
No. The details list 50 ft-lb maximum reverse torque and a 10–35 ft-lb forward range.
What drive size does NE-421 have?
It uses a 1/2-inch square drive.
Is 4 CFM described as average or continuous loaded flow?
The supplied field specifically says average air consumption. Confirm loaded-flow requirements before judging compressor suitability.
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