Screws, nuts, and washers are made of polycarbonate material, a tough, clear engineering thermoplastic resin. Light weight, high toughness, high impact resistance, anti-static, non-conductivity, insulation, hydrolysis, corrosion resistance, rust resistance, heat resistance, long service life. Depending on the style, it is very suitable for use in tight places where the screw head needs to be lower than the face or surface.
These screws are widely used in electronics industry, wind power industry, aerospace industry, office equipment industry, communication industry, shipbuilding industry, trade show industry, DIY handicrafts and so on.
Specifications:
Material: PC (polycarbonate)
Screw drive system: Phillips
Screw Head Shape: Flat Head
Screw Size: M4 x 30mm
Pitch: 0.03 in (0.7 mm)
Screw head diameter: 8.2mm
Hex nut width: 7mm
Flat washer size: 0.4 x 0.17 x 0.03 inches (9 x 4.3 x 0.8 mm) (OD*ID*T)
Package Includes: 20 sets x Phillips machine screws with nuts, flat washers