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Solid Carbide Helical Flute Thread Mills (HTM)
Tool Fab’s Schmarje thread mills are cam-ground for maximum thread, cutting strength, durability and ease of re-grinding. We will gladly re-grind our tools for a minimal charge and maximum life cycle of the thread mill.
Standard
| Tool No. | Cutter Diameter | Shank Diameter | Overall Length | Length of Cut | # of Flutes |
|---|---|---|---|---|---|
| HTM225-18 | 0.225 | 0.25 | 2.5 | 0.75 | 3 |
| HTM250-18 HTM250-20 HTM250-24 HTM250-28 HTM250-32 | 0.25 | 0.25 | 2.5 | 0.75 | 3 |
| HTM350-16 HTM350-18 HTM350-20 HTM350-24 | 0.35 | 0.375 | 3.5 | 0.75 | 4 |
| HTM500-12 HTM500-14 HTM500-16 HTM500-18 HTM500-20 | 0.5 | 0.5 | 4.0 | 1.0 | 4 |
| HTM750-8 HTM750-12 HTM750-12C HTM750-14 HTM750-16 HTM750-18 HTM750-20 | 0.75 | 0.75 | 4.0 | 1.0 | 6 |
| *HTM312-27 NPT | 0.312 | 0.375 | 3.5 | 0.7 | 3 |
| *HTM370-18 NPT | 0.37 | 0.375 | 3.5 | 0.7 | 4 |
| *HTM370-18 NPTF | 0.37 | 0.375 | 3.5 | 0.7 | 4 |
| *HTM490-14 NPT | 0.49 | 0.5 | 4.0 | 1.0 | 4 |
| *HTM490-14 NPTF | 0.49 | 0.5 | 4.0 | 1.0 | 4 |
| *HTM750-11.5 NPT | 0.75 | 0.75 | 4.0 | 1.0 | 6 |
* Tapered Pipe Thread
Metric
| Tool No. | Cutter Diameter | Shank Diameter | Overall Length | Length of Cut | # of Flutes | Min. Thread |
|---|---|---|---|---|---|---|
| HTM250-.75mm HTM250-1.0mm HTM250-1.25mm HTM250-1.75mm | 0.25 | 0.25 | 2.5 | 0.75 | 3 | M10 |
| HTM350-1.0mm HTM350-1.5mm HTM350-2.0mm | 0.35 | 0.375 | 3.5 | 0.75 | 4 | M14 |
| HTM500-1.0mm HTM500-1.5mm HTM500-2.0mm | 0.5 | 0.5 | 4.0 | 1.0 | 4 | M20 |
| HTM750-1.5mm HTM750-2.0mm HTM750-3.5mm | 0.75 | 0.75 | 4.0 | 1.0 | 6 | M30 |