1/4” 5/16” 3/8” UNF SET SCREWS NUTS WASHERS HEX HEAD BOLTS A2 STAINLESS STEEL
Set screws are the fully threaded version of the standard bolt. UNF thread pattern; 1/4UNF x 28 tpi. 5/16UNF x 24 tpi. 3/8UNF x 24tpi. Hex Bolts - UNF. UNF Bolts & Set Screws. Hex Bolts - UNC. Hex Full Nuts.