Century Drill & Tool 4 mm x 0.70 Metric Tap & #30 Wire 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. Each drill bit is made of premium grade high speed steel for general drilling in wood, metal and plastic. Tap and drill bit Combo pack offers correct drill size for the tap in one convenient package.