M33x2 tap drill size
Use a 31.00 mm drill (31.00 mm) for a M33x2 cutting tap at 75% thread.
| Tap type | Drill | Decimal (mm) |
|---|---|---|
| Cutting tap, 75% thread | 31.00 mm | 31.00 |
| Cutting tap, 50% thread (hard material) | 31.75 mm | 31.75 |
| Roll / form tap, 65% thread | 32.0 mm | 32.00 |
- Pitch
- 2 mm
- Major Ø
- 33.00
- Pitch Ø
- 31.70
- Minor Ø
- 30.84
Common questions
- What size drill for a M33x2 tap?
- Use a 31.00 mm drill (31.00 mm) for a M33x2 cutting tap at 75% thread.
- What drill for a M33x2 roll (form) tap?
- About 32.12 mm; the nearest standard drill is 32.0 mm. Check your tap maker's table.
Other Metric fine sizes
Drill sizes from Machinery's Handbook and ASME B1.1/B1.13M; roll tap sizes from the form-tap formula. Tap and insert makers' tables are authoritative.
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