stud bolt stainless steel Size:M6-M64 1/4-2'', any size available Plain,zinc plated... Prompt delivery and high quality stud bolts stainless ... : M6-M64 1/4-2'', any size available Material: High quality carbon steel, stainless steel...Surface Refine : Plain, zp, yzp, black, hdg, nickel...Packing ...