Thread prep
M3 x 0.5 Tap Drill
Common metric coarse chart tap drill.
Last updated 2026-05-12Confidence: reference-derivedMETRIC_COARSE
| Thread size | M3 x 0.5 |
|---|---|
| Tap drill | 2.5 mm |
| Decimal / mm | 0.0984 in / 2.5 mm |
| Normal clearance | 3.4 mm |
| Percent thread | 75% reference |