Socket Head Cap Screw Assortment, Alloy Steel, Black Oxide Finish, 106 PCS

Material Alloy Steel Color Black Finish Black Oxide Includes 25 Each 8-32 x 1/2, 10-24 x 1/2, Thread Size #10-24; #8-32; 1/4"-20; 3/8"-16; System of Measurement Inch Size 1/4"-20, 10-24, 3/8"-16, 5/16"-1