NPT Straight Flute Thread Mill
Our NPT Straight Flute Thread Mills are built for precision and reliability in tapered pipe thread milling applications. Made from premium submicron grade carbide, these tools offer exceptional strength and wear resistance for long-lasting performance. The straight flute design provides stability and control during cutting, making it ideal for internal NPT threads. Featuring an optional AlTiN+ coating, these thread mills support higher cutting speeds and increased heat resistance, ensuring efficient and consistent results even in demanding materials.
| Thread Diameter/Pitch | A (Tool Diameter) | B (Length of Cut) | Q (Length) | S (Shank Diameter) | OAL | Flutes | Uncoated Tool # | Uncoated EDP # | AlTiN+ EDP # |
|---|---|---|---|---|---|---|---|---|---|
| 1/16, 1/8-27 | 0.218 | 0.534 | 0.018 | 0.250 | 2.50 | 4 | TM218-27NPT | 101001 | 101013 |
| 1/8-27 | 0.280 | 0.758 | 0.018 | 0.375 | 3.50 | 4 | TM280-27NPT | 101019 | 101043 |
| 1/4, 3/8-18 | 0.330 | 0.693 | 0.027 | 0.375 | 3.50 | 4 | TM330-18NPT | 101025 | 101049 |
| 1/4, 3/8-18 | 0.382 | 0.800 | 0.027 | 0.438 | 3.50 | 4 | TM382-18NPT | 101055 | 101067 |
| 1/2, 3/4-14 | 0.430 | 1.105 | 0.035 | 0.500 | 3.50 | 4 | TM430-14NPT | 101073 | 101085 |
| 1 to 2-11.5 | 0.650 | 1.605 | 0.043 | 0.750 | 4.00 | 5 | TM650-11.5NPT | 101091 | 101109 |
| 2 1/2 and up -8 | 0.650 | 1.560 | 0.062 | 0.750 | 4.00 | 5 | TM650-8NPT | 101097 | 101115 |