Midwest Fastener 5/16-18 x 5/16 in. Black Oxide Socket Set Screw, 6-Pack

The Midwest Fastener 5/16-18 x 5/16 in. Black Oxide Socket Set Screw, 6-Pack is engineered for dependable fastening and secure component holding in machinery, collars, pulleys, and gear assemblies. Featuring a headless design, this set screw sits flush within internally threaded holes to prevent snagging and provide a clean mechanical installation. Constructed from high-grade steel with a protective black oxide finish, each screw offers enhanced wear resistance and smooth thread engagement. The precision hex socket drive enables strong tightening torque, while the cupped point design bites firmly into contact surfaces to resist loosening under mechanical vibration.