Typical tension control bolts. The internal socket on the shear wrench grips the spline feature at the far end to counter the torque applied while tensioning the bolt, then twists it off.

An impact wrench is usually ... out 650 pound-feet of torque and reaching 2,575 RPM. The automatic shutoff to prevent stripping during assembly and bolt removal control functions further separates ...

Walmart is offering a huge $134 discount on this Milwaukee M18 Fuel impact wrench during its Super Savings Week. Grab this rare deal before it's gone ...

The best air impact wrench will loosen bolts you could never tackle by hand and offers super-fast tightening, too. See ...