+86 18969314912
Allen bolt
Material: Stainless steel 202,304,316,2205, Carbon steel Q195,Q235,35K,C45,45CRMO
Finish: Black, Plain, Zinc plated, Hot dip galvanized
Allen bolt also call Hexagon socket head bolt, The screw head of the hexagon socket screw is rounded, and the hexagon is recessed in the middle, and the hexagonal screw is the common hexagonal side of the screw head.
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