combo pack 12.0x1.75 metric plug style tap and letter drill bit y. 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._x000d_ _x000d_ Heat treated and tempered for file hard threads and longer useful life _x000d_ Designed for hand cutting applications _x000d_ Combo Pack contains 1 Tap and 1 corresponding drill bit _x000d_ .
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