IRWIN TAP AND DRILL BIT SET - 1/4"-20 NCIrwin tap and drill bit combo pack for creating machine screw threads. Includes a high carbon steel plug tap for general-purpose threading and a high-speed steel (HSS) drill bit sized for the correct tap drill hole. Having the matched set ensures proper thread fit every time.
- Tap size: 1/4"-20 NC
- Drill bit: 13/64"
- High carbon steel plug tap for general-purpose threading
- High-speed steel (HSS) drill bit for fast, precise drilling
- Matched set ensures proper thread fit