Century Drill & Tool 14-20 National Plug Carbon Steel Tap & #10 Wire Gauge Drill Bit Combo Pack

Tap offers precision cut threads accurately formed for consistent, exact threading. Tap is heat treated and tempered for file hard threads and longer, useful life. Tap designed for hand cutting applications. Drill bit is made of premium grade high speed steel for general drilling in wood, metal and plastic. Combo packs offer a convenient solution that provides the correct drill size for the tap all in one package.