Socket Head Cap Screws
Socket head cap screws are externally threaded machine screws with an internal hex socket drive. These screws feature a hexagonal recess for tightening and loosening using an Allen wrench or hex key, which eliminates the need for side clearance and allows screws to be placed close to other screws and assembly components. Because the screws are internally wrenched, they require less surface area and are ideal for projects where there is insufficient space for traditional wrenches or sockets.
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