Hex phillips washer screw : 1.Material : carbon steel , stainless steel ,alloy steel ,copper 2.size M1-M10 3.Length range : 8-150mm Standard : DIN, ANSI,JIS,GB Head code :cross recessed pan head screw : hexagon socket countersunk head screws Pozi drive plat head Packing :20-25KG/box ,outer packing : cartons per pallet Used in home appliance ,assembly electronic products and auto fittings . we have pass SGS , ISO9001,ISO2001,TS16949,welcome your drawings , welcome your coming and negotiation