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SAE AS 28431A-2011 (SAE AS28431A-2011)
Aerospace Hand Torque Wrenches (Mechanical, Impulse)
This SAE International Aerospace Standard covers requirements for micrometer adjustable, feel impulse, torque wrenches. The torque wrench is used to apply a pre-set torque to threaded fasteners and other torque requirements.
Society of Automotive Engineers [sae]