5/16-18 Socket Head Cap screws, Alloy Steel w/ Thermal Black Oxide, Coarse Thread

US (Inch) 5/16-18 screws with an allen key drive. Socket caps have a small cylindrical head with tall vertical sides. Socket drive is a six-sided

5/16-18 x 6 1/2 Coarse Thread Grade 8 Hex Cap Screw (Bolt) Alloy Steel Thermal Black Oxide Pk 10 : Industrial & Scientific

5/16-18 x 1/2 Button Head Cap Screws w/Patch

5/16-18x3-1/2 Socket Head Cap Screw Alloy Steel Full Thread - MacDonald Industrial Supply

ASMC Industrial 0.31 in. -18 x 2.75 in.-PT Coarse Thread Socket Head Cap Screw, Alloy Steel - Black Oxide - 200 Piece

MonsterBolts - #10-32 x 5/16 Low Head Socket Screws, Alloy Steel, Black Oxide, 10 Pack: : Industrial & Scientific

5) 5/16-18 x 3-1/2 Allen Button Head Socket Cap Screws Alloy Bolts Black Oxide: : Industrial & Scientific

5/16-18x1 1/2 Security Socket Cap Screws, Black Oxide

5/16-18 x 3/8 Coarse Thread Socket Set Screw Cup Point Nylon Patch Alloy Steel Black Oxide

Prime-Line 5/16 in.-18 x 1-1/2 in. Black Oxide Coated Steel Hex (Allen) Drive Socket Head Cap Screws (10-Pack) 9178999 - The Home Depot

Steel Nylon insert Lock Nuts with Black Phosphate coating. These are Grade C nuts (similar to SAE Grade 5 bolts). Typically Grade C nuts are used in

U.S. / Inch - Nylon Insert Hex Locknuts Grade C, Steel with Black Phosphate

5-40 Socket Set screws Cup Point, Alloy Steel with Black Oxide