Hex Bolt Sleeve Anchor with Hexagon Head Expansion Bolt Zinc Plated Fixdex Fastening Technology Co., Ltd. Base Info Standard：DIN, GBTrademark：FIXDEXOrigin：Handan Hebei Description Pre：Stainless Steel 304 Self-Tapping Screws with Cross Recess Drive Next：Coarse Thread, Black Phosphated Drywall Screw/Sheet Metal Screw
