BSPT (Tapered) Thread Mill
Our BSPT Thread Mills are engineered for cutting precise British Standard Pipe Tapered threads, ideal for pressure-tight sealing applications. Each tool features a polished flute face to enhance chip evacuation and cutting performance, ensuring smooth, accurate thread production. For increased wear resistance and extended tool life, an optional AlTiN+ coating is available—perfect for high-speed, high-demand environments.
| Thread Diameter/Pitch | A (Tool Diameter) | B (Length of Cut) | Q (Length) | S (Shank Diameter) | OAL | Flutes | Uncoated Tool # | Uncoated EDP # | AlTiN+ EDP # |
|---|---|---|---|---|---|---|---|---|---|
| 1/8-28 | 0.215 | 0.550 | 0.017 | 0.250 | 2.50 | 4 | TM215-28BSPT | 100001 | 100007 |
| 1/4, 3/8-19 | 0.335 | 0.650 | 0.025 | 0.375 | 3.50 | 4 | TM335-19BSPT | 100013 | 100019 |
| 1/2, 3/4-14 | 0.430 | 1.100 | 0.035 | 0.500 | 3.50 | 4 | TM430-14BSPT | 100025 | 100031 |
| 1 to 6-11 | 0.550 | 1.127 | 0.045 | 0.625 | 3.50 | 5 | TM550-11BSPT | 100037 | 100043 |