CENTURY DRILL & TOOL Century Drill & Tool Tap & Drill Bit Combo Pack 21/64 In.

CENTURY DRILL & TOOL Century Drill & Tool Tap & Drill Bit Combo Pack 21/64 In. Tap-NPT And Drill Bit Combo Pack. National pipe thread taps. Precision cut threads accurately formed for consistent exact threading. Heat treated and tempered for file hard threads and longer useful life. Designed for hand cutting applications. National Pipe Thread tap sizes for internal threading on all types of pipes. Wire Gauge Brite Drill Bits are made from feature premium grade high speed steel. Precision ground points are designed to operate in stationary or portable tools. General purpose drilling in wood metal and plastic. Numbered drill bits.