CENTURY DRILL & TOOL 4.0 x 0.7mm Metric Plug Tap & Drill Bit Set is a 2-piece set that includes a 4.0 x 0.7mm metric plug tap and a #30 drill bit. The tap is precision cut for accurate threading and heat treated and tempered for file hard threads and longer life. The drill bit is made of high-speed steel and is designed for hand cutting applications.
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