#4-40 Flat Head Socket Cap screws. These are countersunk screws that are made from Alloy Steel with Thermal Black Oxide coating.
- Diameter: #4
- Thread Size: 40 TPI - Coarse (Standard) Thread
- Length: Please select from menu above.
- Drive: 1/16" Hex Key - Available here
- Type: Flat Head Socket Cap Screw
- Matching Nut & Washers: #4-40 - Available here
- System of Measurement: U.S. / Inch
- Material: Alloy Steel with Thermal Black Oxide
- Specifications: ASTM F835, 82° Head (Standard)