Drill-tap Bit Hex Shank 1-4-20

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.

• ELECTRICIAN'S DRILLING/TAPPING TOOLS
• DRILL/TAP BITS