... Square, Torx, Single, Double3.Material: Brass, Low Carbon Steel, Alloy Steel, stainless steel, aluminum, etc4.Size:M2-M20 or as ... cnc part series Details: StandardsISO, DIN, AS/NZS, GB, ANSI , BS JIS.MaterialBrass.Stainless steel, carbon steel, copper/brass,alloy steel ... .Carbon steelMild/medium/high carbon steel, stainless steel, copper, brass, alloy, Aluminum, etc.FinishZimc plated(Cr,3+);zinc plated( ...