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Allen Sockets

Allen Sockets

Find the best metric socket fasteners in coarse and fine thread sizes here at BelMetric, where our products fit your needs.

Socket fasteners are also known as Allen Head fasteners and have a hexagonal socket recess in the head of the bolt. 

Browse our wide selection of socket head cap screws, allen button head, allen socket SEMS, allen button flange, set screws, shoulder bolts and low head allen head below.