3/8-16 x 1 1/4 Coarse Thread Flat Socket Cap Screw Plain 1/4-28 NE * Hardened steel construction with

* Hardened steel construction with internal teeth

They are made of zinc and baked for added durability

and the bugle head helps to countersink the screw flush with the surface

and the threads on the bolt engage with the metal or wood

It is designed to distribute the load of a screw or bolt evenly over a surface

3/8-16 x 1 1/4 Coarse Thread Flat Socket Cap Screw Plain 1/4-28 NE * Hardened steel construction with**3 8 16 x 1 1 4 Coarse Thread Flat Socket Cap Screw Plain** This screw features: * **Diameter:** 3 8 inch (0. 375") * **Thread Pitch:** 16 threads per inch (coarse) * **Length:** 1 1 4 inches (1. 25") * **Thread Type:** Coarse (UNC) * **Head Style:** Flat socket (hexagonal recess) * **Drive Type:** Hex key (Allen wrench) * **Finish:** Plain (uncoated) * **Material:** Typically steel or stainless steel * **Strength:** Grade 5 or higher *