Craftsman Tap & Drill Combo Set, 4-40 Tap
Set includes: 4-40NC Tap, #43 Black Oxide Drill Bit.
- Made with high carbon steel; right hand threads
- For cutting and renewing internal threads
- General purpose tap has 3 to 5 chamfered threads
- Hardened, precision-ground carbon steel makes chip removal easy
- Laser-etched markings for easy size identification