HELICAL FLUTE THREAD MILLS
UN, NPT & NPTF THREADS
SOLID CARBIDE-AlTiN Coated
FEATURES:
- Completely CNC ground
- Helical flute design for reduced cutting forces, smoother cuts, longest tool life and maximum thread milling performance
- 100% thread form for superior threads compared to tapping
- Cuts right and left hand threads
- Suitable for all types of materials, including heat treated and difficult to machine workpieces.
- Supplied with AlTiN coating. Uncoated thread mills also available, please call for more information
HELICAL FLUTE THREAD MILLS- NPT, NPTF THREADS
| Minimum Thread |
Pitch | Cut. Dia D1 |
Shank Dia D2 |
OAL L1 |
LOC L2 |
No. Of Flutes |
Part Number |
| 1/16 & 1/8 NPT | 27 | .245 | 1/4 | 2-1/2 | 0.437 | 3 | MI-TM27NPTX |
| 1/4 & 3/8 NPT | 18 | .305 | 5/16 | 2-1/2 | 0.625 | 4 | MI-TM18NPTX |
| 1/2 & 3/4 NPT | 14 | .495 | 1/2 | 4 | 0.875 | 4 | MI-TM14NPTX |
| 1" & 2" NPT | 11.5 | .620 | 5/8 | 4 | 1.125 | 4 | MI-TM11NPTX |
| 1/16 & 1/8 NPTF | 27 | .245 | 1/4 | 2-1/2 | 0.437 | 3 | MI-TM27NPTFX |
| 1/4 & 3/8 NPTF | 18 | .305 | 5/16 | 2-1/2 | 0.625 | 4 | MI-TM18NPTFX |
| 1/2 & 3/4 NPTF | 14 | .495 | 1/2 | 4 | 0.875 | 4 | MI-TM14NPTFX |
| 1" & 2" NPTF | 11.5 | .620 | 5/8 | 4 | 1.125 | 4 | MI-TM11NPTFX |
HELICAL FLUTE THREAD MILLS- UN THREADS
| Minimum Thread |
Cut. Dia D1 |
Shank Dia D2 |
OAL L1 |
LOC L2 |
No. Of Flutes |
Part Number |
| 4-40 | .080 | 1/4 | 2 | 3/16 | 2 | MI-TM11240X |
| 6-32 | .100 | 1/4 | 2 | 1/4 | 2 | MI-TM13832X |
| 8-32 | .115 | 1/4 | 2 | 1/4 | 3 | MI-TM16432X |
| 10-24 | .120 | 1/4 | 2 | 5/16 | 3 | MI-TM19024X |
| 10-28 | .120 | 1/4 | 2 | 5/16 | 3 | MI-TM19028X |
| 10-32 | .120 | 1/4 | 2 | 5/16 | 3 | MI-TM19032X |
| 1/4-20 | .180 | 1/4 | 2-1/2 | 1/2 | 3 | MI-TM25020X |
| 1/4-28 | .180 | 1/4 | 2-1/2 | 1/2 | 3 | MI-TM25028X |
| 5/16-18 | .235 | 1/4 | 2-1/2 | 5/8 | 3 | MI-TM31218X |
| 5/16-24 | .235 | 1/4 | 2-1/2 | 5/8 | 3 | MI-TM31224X |
| 3/8-16 | .285 | 5/16 | 2-1/2 | 3/4 | 4 | MI-TM37516X |
| 3/8-24 | .285 | 5/16 | 2-1/2 | 3/4 | 4 | MI-TM37524X |
| 7/16-14 | .305 | 5/16 | 2-1/2 | 3/4 | 4 | MI-TM43714X |
| 7/16-20 | .335 | 3/8 | 3 | 7/8 | 4 | MI-TM43720X |
| 1/2-13 | .350 | 3/8 | 3 | 7/8 | 4 | MI-TM50013X |
| 9/16-12 | .370 | 3/8 | 3 | 7/8 | 4 | MI-TM5622X |
| 9/16-18 | .370 | 3/8 | 3 | 7/8 | 4 | MI-TM56218X |
| 5/8-11 | .470 | 1/2 | 4 | 1-1/4 | 4 | MI-TM62511X |
| 3/4-10 | .495 | 1/2 | 4 | 1-1/4 | 4 | MI-TM75010X |
| 3/4-12 | .495 | 1/2 | 4 | 1-1/4 | 4 | MI-TM75012X |
| 3/4-16 | .495 | 1/2 | 4 | 1-1/4 | 4 | MI-TM75016X |
| 7/8-9 | .620 | 5/8 | 4 | 1-3/8 | 4 | MI-TM87509X |
| 7/8-14 | .490 | 1/2 | 4 | 1-1/4 | 4 | MI-TM87514X |
| 1"-8 | .620 | 5/8 | 4 | 1-3/8 | 4 | MI-TM00108X |