uxcell M3x4mm Plastic Screws PC Transparent Acrylic Phillips Cross Pan Hand Tighten Screw 20Pcs Model: M3x4mm Screw Length: 4mm/0.16" Pitch: 0.5mm / 0.02" Screw Head Dia: 5.6mm / 0.22" Screw Groove Type: Phillips Cross Package Content: 20Pcs x PC Transparent Plastic Screw; Material: PC Acrylic Color: All Transparent (More Expensive Materials) M3x4mm Plastic Screws PC Transparent Acrylic Phillips Cross Hand Tighten Screw PRODUCT FEATURES: Good Insulation, Corrosion Resistance, Light Weight, Beautiful Appearance Widely used in wind power industry, the aerospace industry, office equipment industry, petrochemical industry, the electronics industry, the communications industry, shipbuilding industry, environmental protection machinery, etc.