Greenlee® Greenfield Industries Combination Drill/Tap, Measuring System: SAE, Split Point With Web Thinning, Size: 5/6"", 18 Pitch, NC Thread, Quick Change Hex Shank, Shank Diameter: 1/4"", High Speed Steel, Complete Hole Drilling, Tapping and Deburring/Countersinking in One Operation with Power Drill, used on Mild Steel, Copper, Brass, Aluminum
- Complete hole drilling, tapping and deburring/countersinking in one operation with power drill saves labor and time
- Back tapered beyond tap to prevent thread damage from over-drilling
- Deburr/countersink also provided on bit beyond back taper
- Made from hardened high-speed steel versus carbon steel for longer life
- High quality hex shank to ensure strong connection to drill chuck
- Designed to tap up to 10 ga. metal
- Quick change adaptor included in both metric and standard kits