Head Type Countersunk Head Truss Head Flat Head Round Head Oval Head Cone Head   Standard ANSI / ASME   Material Mild Steel   Size Range M3 - M8 1/8" - 5/16" 5 mm - 50 mm 1/4" - 2"   Surface Finishes Zinc Plated Yellow Zinc Plated Champagne Color Antique Color Self Colour Green Colour