... staff, high quality as well as reasonable price,etc., stainless steel bolt 1.Standard: DIN,ANSI/ASME,JIS,BSW,GB, NO ... bolts, round head square neck bolts,slotted counter sunk bolts, plow bolts, eye bolts, socket bolts, tapping screws, machine screws, wood ... :zinc, chrome, hot dip galvanized,etc.,6.Other material: carbon steel ,alloy steel,etc.,7.Usage:bridge, buildings, machinery, auto machines and ...