FastenersMaterial: Steel, stainless steelSurface: Zinc plated in chromium and ROHSSize: Bolt from Dia. M5(3/16) upto M24(1"), Length upto 1000mm Nut from Dia. M5(3/16) upto M24(1")Screw from Dia. 2.5(#6) upto 6.3mm(#14), Length up to 100mm(4 Inch)