Screws, nuts and washers are made of polycarbonate material, which is sturdy, transparent and engineering thermoplastic. It has the characteristics of lightweight, high toughness, high impact resistance, anti-static, non-conducting, good insulation, chemical resistance, hydrolysis resistance, corrosion resistance, no rust, heat-resistant and long service life.
The countersunk style makes it very suitable for use in tight areas where the screw head needs to be flush or below the surface.
These screws are widely used in the electronics industry, wind power industry, aerospace industry, office equipment industry, communication industry, shipbuilding industry, exhibition industry, DIY handicraft, etc.

Specification:
Material: PC(Polycarbonate)
Screw Drive Type: Phillips
Screw Head Style: Flat Head
Thread Size: M4 x 12mm
Pitch: 0.7mm / 0.03"
Screw Head Diameter: 8.2mm / 0.32"
Hex Nut Width: 7mm / 0.28"
Flat Washer Size: 9 x 4.3 x 0.8mm / 0.35" x 0.17" x 0.03"(OD*ID*T)
Package Content: 20 Sets x Phillips Machine Screws with Nuts, Flat Washers