Precision rolled METRIC M trapezoidal threads have a 30 degree metric thread fit in the standard 303 Stainless Steel material. The lead error over the length of the rod is 0.3mm maximum per 300mm
| Thread Name | Diameter (mm) | Lead (mm) | Starts |
| M4 x 1 | 4.00 | 1.00 | 1 |
| M6 x 2 | 6.00 | 2.00 | 1 |
| M8 x 2 | 8.00 | 2.00 | 1 |
| M10 x 1 | 10.00 | 1.00 | 1 |
| M10 x 2 | 10.00 | 2.00 | 2 |
| M10 x 2P | 10.00 | 4.00 | 2 |
| M10 x 1.5PLH | 10.00 | 3.00 | 2 |
| M10 X 1.5PLH | 10.00 | 6.00 | 4 |
| *M14 x 4 | 14.00 | 4.00 | 1 |
| *416 St st | P = Pitch | LH = Left hand |
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