Suzhou Hongyang Metal Hardware Co., Ltd.
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Hexagon Lag Screws / Wooden Screws (DIN571/ ANSI B18.2.1)1. Standard: DIN571Diameter: M5~M12Length: 12~200mmClass: 4.82. Standard: ANSI B18.2.1Diameter: 1/4" -1/2"Length: 1/2" -8"