NOTES: [ P=PITCH ] [ 1cm=10mm ] [10/P=Threads/cm ] [25.4/P=Threads/inch ]
| PITCH CONVERSION TABLE | ||
|---|---|---|
| APPROXIMATE THREADS per INCH | PITCH mm | APPROXIMATE THREADS per cm |
| 338 1/2 | 0.075 | 133.33 |
| 317 1/2 | 0.08 | 125.00 |
| 282 1/4 | 0.09 | 111.11 |
| 254 | 0.1 | 100.00 |
| 203 1/4 | 0.125 | 80.00 |
| 169 1/4 | 0.15 | 66.67 |
| 145 1/4 | 0.175 | 57.14 |
| 127 | 0.2 | 50.00 |
| 101 1/2 | 0.25 | 40.00 |
| 84 3/4 | 0.3 | 33.33 |
| 72 1/2 | 0.35 | 28.57 |
| 63 1/2 | 0.4 | 25.00 |
| 56 1/2 | 0.45 | 22.22 |
| 50 3/4 | 0.5 | 20.00 |
| 42 1/4 | 0.6 | 16.67 |
| 36 1/4 | 0.7 | 14.29 |
| 33 3/4 | 0.75 | 13.33 |
| 31 3/4 | 0.8 | 12.50 |
| 28 1/4 | 0.9 | 11.11 |
| 25 1/2 | 1 | 10.00 |
| 20 1/4 | 1.25 | 8.00 |
| 17 | 1.5 | 6.67 |
| 14 1/2 | 1.75 | 5.71 |
| 12 3/4 | 2 | 5.00 |
| 10 1/4 | 2.5 | 4.00 |
| 8 1/2 | 3 | 3.33 |
| 7 1/4 | 3.5 | 2.86 |
| 6 1/4 | 4 | 2.50 |
| 5 3/4 | 4.5 | 2.22 |
| 5 | 5 | 2.00 |
| 4 1/2 | 5.5 | 1.82 |
| 4 1/4 | 6 | 1.67 |
