Greenlee Drill/Tap/Countersink, Hss, 10-24
Drill/tap high-speed steel bit, split point with web thinning. High quality hex shank to ensure strong connection to drill chuck. Complete hole drilling, tapping and deburring/countersinking in one operation with power drill. Designed to tap up to 10 gauge metal. Back taper or deburr/countersink beyond tap to prevent thread damage from over-drilling.
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