Length: 13-150mm
Diameter: 2.9-6.3mm
Finish: Zinc; Phosphated; Black oxide; Decromet, ruspert
Package: Bulked in carton; Or box/carton/pallet

head:csk, pan head, hex washer head

material:carbon steel,stainless steel

surface:Surface: Zinc plated(yellow, black, green), black oxide, nickel plated, chrome plated, Cr+3, hot dip galvanized, brass plated