What are the torque capacities of the various Stanley Impact Wrenches?
Many applications require a specific bolt torque. Although an “exact” torque setting is not possible with Impact Wrenches, the following information should be useful in determining the Torque Range for the various Stanley Impact Wrenches. Since an impact wrench is a rotary hammer (not a steady torque), bolt torque is affected by several factors such as thread and thrust face friction, mass of adapters and sockets, loose connects, and time under impact. Long shank screws may spring twist and bounce back after impact, reducing maximum attained torque. Low flow rate can be used to reduce torque. For reliable torques, testing GPM flow rate plus controlling impacting time, followed by a torque wrench check, can be used to establish repeatable torques for specific applications.
