Description
A Hex Philips SEMS screw combines features of both hex and Phillips head screws. It has a Phillips head drive, which is a cross-shaped pattern that provides better torque and grip, and a hexagonal (or hex) shaped head that typically has a smaller diameter compared to the traditional pan head.
*SEMS* stands for *”Spring-Element Mounted Screw”*, which means the screw includes a spring washer or similar element attached to it, usually to prevent loosening and provide consistent clamping force.
This combination of features makes the Hex Philips SEMS screw useful in applications where both a secure grip and resistance to loosening are necessary, such as in machinery and electronic assemblies.
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