- 0.5 Mod – 2 Mod Steel EN8M (226M44) or equivalent. 3 Mod – 6 Mod Steel EN8 (080M40,080M46) or equivalent.
- Intermediate sizes and special Worms to drawing
- All dimensions in mm
- Standard tolerances, unless otherwise stated ±0.25 mm
- Please note: We can also supply 2 start right hand
- Worms and single start left hand up to 2 module