Socket Cap Screws are high strength fasteners, with an Internal Hex or Allen drive style and cylindrical barrel-shaped head. The head diameter is typically 1.5 times or more, the diameter of the screw thread. Specification: Material: Alloy Steel Color: Black Oxide Standard: Metric Screw type: Hex Socket Button Head Thread: M4 Thread Pitch: 0.7 Hex: 3mm Head Thickness 4mm Sizes available: 6mm 8mm 10mm 12mm 14mm 16mm 20mm 25mm 30mm 40mm 45mm
