Description
NPT Helical Flute Thread Mills for Steel - 4NPTM
- Thread Mill for hardened steel(~Hrc50), alloy steel, carbon steel, cast iron.
- Effective coolant supply is possible through the inner holes.
- Remove the fusion of chips by supplying cutting oil directly to the cutting area.
- We do not recommend using a ER Chuck.
Download Technical Specification .pdf
| Part Number | Thread | Pitch (TPI) | Drill Size | Flutes | Teeth | Diameter | Thread Length | Overall Length | Shank Dia | Select Part |
| Z | Zt | D | L1 | L | d | |||||
| 4NPTM 059 098 S06 | 1/16-27 NPT | 27 | 6.3 | 4 | 10 | 5.9 | 9.8 | 60 | 6 | Select |
| 4NPTM 0765 098 S08 | 1/8-27 NPT | 27 | 8.5 | 4 | 10 | 7.65 | 9.8 | 60 | 8 | Select |
| 4NPTM 099 147 S10 | 1/4-18 NPT | 18 | 11.1 | 4 | 10 | 9.9 | 14.7 | 70 | 10 | Select |
| 4NPTM 1115 147 S12 | 3/8-18 NPT | 18 | 14.5 | 4 | 10 | 11.5 | 14.7 | 70 | 12 | Select |
| 4NPTM 1425 189 S16 | 1/2(3/4)-14 NPT | 14 | 17.7 | 4 | 10 | 14.25 | 18.9 | 90 | 16 | Select |
