Torshear-type tension control bolts are fitted with a splined tail that is intended to shear off when installed with a compatible electric/power wrench at the designed pre-tension. This installation method is intended to produce a consistent clamping force and a straightforward installation sequence without relying on torque measurements.

Bolts are made of alloy steel and are supplied as complete sets including bolt, hex nut and flat washer. Standards referenced: GB/T 3632-2008, ASTM F1852 and ASTM F3125. Typical applications include steel-structure buildings, bridges, workshops and large engineering projects. Confirm required sizes, thread form, material grade, finish and certification when ordering.