Greenlee® combination drill and tap, quick change standard length, imperial, 5/16-18 NC, 3-1/4 in OAL, right hand cutting, hex shank, 1/4 in dia shank, HSS.
Features
- 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 vs 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
