Tap Drill Calculator
Calculate the correct tap drill size for creating threaded holes.
Tap Drill Specifications
| Thread Size: | - |
| Tap Drill (exact): | - |
| Tap Drill (imperial): | - |
| Nearest Standard Drill: | - |
| Numbered Drill: | - |
| Thread Depth Needed: | - |
Tapping Tips
- Always use the nearest available drill size
- For 50-75% thread strength, use calculated tap drill
- For full strength, use slightly smaller drill
- Lubricate tap with cutting fluid for better results
- Start tap slowly and maintain perpendicularity