Socket Set Screws - 1/4" x 1/2" - Matte Black - 5/Pkg

This steel socket set screw secures rotating components by threading through the outer part to contact and lock against the inner component. The hex socket head allows precise torque application with an Allen key. Commonly used to prevent slippage between pulleys and shafts, motor couplings, and other mechanical assemblies where rotational movement must be controlled.