Unified Miniature Threads (UNM)
| BASIC DIMENSIONS AND PITCH | |||
|---|---|---|---|
| UNM designation | Basic major diameter (mm) | Pitch (mm) | Included angle |
| 0.30 × 0.08 UNM | 0.30 | 0.08 | 60° |
| 0.35 × 0.09 UNM | 0.35 | 0.09 | 60° |
| 0.40 × 0.10 UNM | 0.40 | 0.10 | 60° |
| 0.45 × 0.10 UNM | 0.45 | 0.10 | 60° |
| 0.50 × 0.125 UNM | 0.50 | 0.125 | 60° |
| 0.55 × 0.125 UNM | 0.55 | 0.125 | 60° |
| 0.60 × 0.15 UNM | 0.60 | 0.15 | 60° |
| 0.70 × 0.175 UNM | 0.70 | 0.175 | 60° |
| 0.80 × 0.20 UNM | 0.80 | 0.20 | 60° |
| 0.90 × 0.225 UNM | 0.90 | 0.225 | 60° |
| 1.00 × 0.25 UNM | 1.00 | 0.25 | 60° |
| 1.10 × 0.25 UNM | 1.10 | 0.25 | 60° |
| 1.20 × 0.25 UNM | 1.20 | 0.25 | 60° |
| 1.40 × 0.30 UNM | 1.40 | 0.30 | 60° |
UNM is the inch-country Unified Miniature series for nominal diameters from 0.30 to 1.40 mm. Confirm the exact designation and tolerance with ASME B1.10M.