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Wedge Anchors – How Is Made? And How to Use Them?
Common wedge anchors are in two parts: one screw and one plastic serrated or metal covering. These are so to anchor on cracked or cracked-concrete.
Common wedge anchors are in two parts: one screw and one plastic serrated or metal covering. These are so to anchor on cracked or cracked-concrete.
Self-locking nuts and auto-braking. During assembly, the screw meet running resistance by the friction between thread and polyamide washer.