Product Name: Phillips Flat Countersunk Head Screw Standard: GB819 Material: 316 stainless steel Size: d (thread diameter) × L (total length) Thread Diameter: M3 (3 mm), M4 (4 mm), M5 (5 mm), M6 (6 mm), M8 (8 mm) Thread Pitch: 0.5 mm (M3), 0.7 mm (M4), 0.8 mm (M5), 1 mm (M6), 1.25 mm (M8) Length: 8–70 mm (including head height) Packaging: plastic bag or carton Application: machinery industry, automobile, solar energy, wind energy, furniture, construction industry