Name：Black 304 Hex Socket Head Cap Screw
Product Type：Hex Socket Head Bolt
Strength Grade: Grade 4.8
Material: 304 Stainless Steel
Surface Treatment：Black Electrophoretic Coating
Size: Thread Diameter d X Length L
e.g.: M1.4x3mm (Thread Diameter 1.4mm, Length 3mm) Excluding Head Thickness
Thread Diameter: M1.4(1.4mm) /  M1.6(1.6mm) / M2(2mm) /  M2.5(2.5mm) / M3(3mm) / M4(4mm) / M5(5mm) / M6(6mm) / M8(8mm)/ M10(10mm) / M12(12mm)
Length : 3mm/4mm/5mm/6mm/8mm/10mm/12mm/14mm/16mm/18mm/20mm/25mm/30mm/35mm/40mm/45mm/50mm/55mm/60mm(Excluding Head Thickness)
Pitch: 
M1.4 - Thread Pitch 0.3mm
M1.6 - Thread Pitch 0.35mm
M2 - Thread Pitch 0.4mm
M2.5 - Thread Pitch 0.45mm
M3 - Thread Pitch 0.5mm
M4 - Thread Pitch 0.7mm
M5 - Thread Pitch 0.8mm
M6 - Thread Pitch 1mm
M8 - Thread Pitch 1.25mm
M10 - Thread Pitch 1.5mm
M12 - Thread Pitch 1.75mm

High quality 304 stainless steel, with a black surface, suitable for indoor use, rust and corrosion resistant, and refuses to cut corners.

Widely applicable:
The hexagonal screws inside the cup head are mainly used in the textile, hydraulic, injection molding, and mechanical industries.