Material：Carbon Steel, C1022 Steel, Stainless, S.S302, S.S304, S.316, S.S410
Head Type：Bugle Head, Modify Truss Head, Thin Wafer Head, Laminting Head, Trim HeaD, Pan Framing
Drive：Phillips, Square
Thread Type：Fine thread, Type S, SS, Coarse thread, CS, Hi-low thread, HI-LO thread
Coating：Zinc Plated Cr+6, Zinc Plated Cr+3, Zinc Yellow Cr+3, Zinc Yellow Cr+6, Grey Phosphated, Black Phosphated, Ruspert 500HRS,Rusper1000HRS, Ruspert 1500HRS, Class 3, Class 4, Other Special Coating
