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 5/16 Knurled Cup Socket Set Screw, Alloy Steel, Thermal Black Oxide (
All US / Inch Screws and Fasteners
5/16-18x1 Security Flat Socket Cap Screw Black Oxide
5/16-18 Socket Head Cap screws. These are made from Alloy Steel with Thermal Black Oxide coating., Note: PT = Partial Thread, Diameter: 5/16, Thread
5/16-18 Socket Head Cap screws, Alloy Steel w/ Thermal Black Oxide, Coarse Thread
3/8-16 Socket Cap Screws‚ Alloy Steel Socket Head Cap screws
5/16-18 x 2 1/2 (PT) Coarse Thread Socket Head Cap Screw Nylon Pellet Alloy Steel Black Oxide Pk 25
1000pcs) 5/16-18x1,(FT) Socket Cap Screw, Button Head, Alloy Steel, Thermal Black Oxide, (inch), Size: 5/16-18, Length: 1, Coarse Thread (UNC), Fully Threaded, RoHS: : Industrial & Scientific
3/8-16 Socket Cap Screws‚ Alloy Steel Socket Head Cap screws
7/16-14 x 1 1/2 Coarse Thread Grade 5 Hex Cap Screw (Bolt) Drilled Head Medium Carbon Steel Thermal Black Oxide
5/16-18 x 1 (FT) Coarse Thread Socket Flat Head Cap Screw Nylon Patch Alloy Steel Black Oxide Pk 25
3/8-5/16-18 x 1/2 Coarse Thread Socket Shoulder Screw Alloy Steel Black Oxide Pk 250
All US / Inch Fasteners
5/16-18 Socket Set screws Cup Point, Alloy Steel with Black Oxide
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
5/16-18 x 3/8 Coarse Thread Socket Set Screw Cup Point Nylon Patch Alloy Steel Black Oxide