Allen CSK Screw is a type of mechanical fastener that has a cylindrical shaft, a flat head with a conical shape, and a hexagonal socket on the head. The hexagonal socket is used to drive the screw with an Allen key or hex wrench. They are commonly used in applications where a flat surface is desired, and a flush fit is required. The conical shape of the Allen CSK Screw allows the screw to be countersunk into a surface, providing a flush finish.
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