Triumph® Twist Drill Thundertap® spiral point tap, 5/16 in - 18 NC, T63HD series, H3 thread limit, 3-5 long plug chamfer, 2 flutes, bronze oxide, HSS, 6 pk.
Features
- Point: spiral
- Material: high speed steel
- Finish: bronze oxide
- Size options: fractional
- Packaging: clamshell
- Pitch: 18
- Thread designation: national course
- Thread limit: H3
- No of flutes: 2
- Drill size: 5 in
- Chamfers: plug (3-5 threads long)