Sunex SX821A 3/8-Inch Pistol-Grip Air Impact Wrench
Sunex SX821A is a pistol-grip air impact with a 3/8-inch square drive. Its stated 75 ft-lb maximum at 90 PSI is a model-specific figure, so it should not inherit the much higher ratings of other 3/8-inch impacts.
Specifications and included details
- 3/8-inch square drive with ring socket retainer.
- Listed maximum torque of 75 ft-lb at 90 PSI.
- Dog-clutch mechanism and built-in regulator.
- Pistol grip and front bumper.
Before ordering
Compare the exact torque requirement and drive size with the job. Confirm air consumption, hose and connection requirements in the manual. The regulator is not a calibrated tightening setting and does not establish that every fastener can be removed.
Product questions and answers
What socket retention system is listed?
A ring retainer is specified for the 3/8-inch square drive.
Is the torque rating the same as larger Sunex impacts?
No. The listing gives 75 ft-lb maximum at 90 PSI for SX821A. Use this model's figure when comparing tools.
Can the built-in regulator set a precise final torque?
It should not be treated as a calibrated torque setting. Follow the fastener's final tightening and verification requirements.
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