Outperform and outlast traditional standard pitch models. Bi-metal construction with teeth made from specially hardened type M3 high speed steel. The varying teeth height and gullet sizes result in much faster cutting and longer life. For wood; mild, tool and stainless steels; cast iron; brass and aluminum. 51 sizes from 9/16” (14mm) to 6” (152mm).
- Depth of cut: 1 1/2” (38 mm).
- Bi-metal construction.
- M 3 HSS cutting edge.
- 3/5 TPI variable pitch.
- Positive tooth rake.
- NOTE: Use RIDGID® Thread Cutting Oil on all metal except cast iron.