Square Head Machine Bolts

Square Bolt

Square bolt were the industry standard prior to hex bolts gaining prominence. Square bolts are now most commonly used for aesthetic purposes to provide a rustic look in a new structure or to match existing fasteners in an older structure.

Where Are The Square Bolt Generally Used?

　　Use 1. The square head bolt has a large square head, which is convenient for the wrench to be stuck, or relies on other parts to stop and rotate. It can also be used in parts with T-slot to adjust the bolt position. Class C square head bolts are often used on rougher structures.


　　Use 2, the square head bolt is the same as the hexagon bolt, but the bolt has a large square head and a large force surface. It is often used for relatively rough structures, and can also be used in parts with T-shaped grooves, so as to facilitate Adjust the bolt position.