| Range | Accuracy | Range | Accuracy |
|---|---|---|---|
| 0-25mm / 0-1" | 0.004mm | 100-125mm / 4-5" | 0.006mm |
| 25-50mm / 1-2" | 0.004mm | 125-150mm / 5-6" | 0.006mm |
| 50-75mm / 2-3" | 0.005mm | 150-175mm / 6-7" | 0.007mm |
| 75-100mm / 3-4" | 0.005mm | 175-200mm / 7-8" | 0.007mm |
| Pitch: 60° thread (Metric screw and United screw) | ||
|---|---|---|
| 0.4-0.5mm / 64-48TPI | 0.6-0.9mm / 44-28TPI | 1-1.75mm / 24-14TPI |
| 2-3mm / 13-9TPI | 3.5-5mm / 8-5TPI | 5.5-7mm / 4.5-3.5TPI |
| Pitch: 55° thread (Whitworth screw) | ||||
|---|---|---|---|---|
| 60-48TPI | 48-40TPI | 40-32TPI | 32-24TPI | 24-18TPI |
| 18-14TPI | 14-10TPI | 10-7TPI | 7-4.5TPI | 4.5-3.5TPI |