Hex Socket Cap Screw: 5/16-18 MPN:31C200KCSS - Pkg Qty 10

Spiral Flute Tap: 5/16-18 UNC, with a semi-bottoming design that eliminates chip restrictions ensuring efficient cutting & precise thread creation while preventing re-cutting of existing threads when removing tapped holes; manufactured using Powdered Metal construction providing durable hardness rating equivalent to Titanium Nitride coating increasing wear resistance for longer tool life; also known as Black Oxide, delivering anti-rust protection preserving its structural integrity. Key specifications include 3 flutes & UNC (Unified National Coarse) thread form ensuring compatibility across multiple industry applications such as machinery, electronics or aerospace projects requiring high-quality threads that align to national standards of acceptance; widely used in automotive repairs or industrial facilities tasked with repairing machines that require tapped holes precision engineered in metals varying from brass through steel components.