UNJ External Threads:
Multitooth Straight Flute
Our UNJ External Threads Multitooth Straight Flute Thread Mills are built for speed, precision, and durability in demanding applications. Precision ground for maximum concentricity and made from premium submicron carbide, these tools deliver exceptional thread quality and consistency. The multitooth straight flute design ensures efficient cutting and reduced cycle times. Available uncoated or with advanced AlTiN+ coating to significantly extend tool life in high-heat, high-performance environments, these thread mills are ideal for machining to AS8879 aerospace standards.
| External Thread/Pitch | A (Tool Diameter) | B (Length of Cut) | R (Root Radius) | Q (Length) | S (Shank Diameter) | OAL | Flutes | Uncoated Tool # | Uncoated EDP # | AlTiN+ EDP # |
|---|---|---|---|---|---|---|---|---|---|---|
| UNJ-32 | 0.245 | 0.668 | 0.0051 | 0.016 | 0.250 | 2.50 | 4 | TM245-32EXJ | 104007 | 104025 |
| UNJ-28 | 0.245 | 0.657 | 0.0059 | 0.018 | 0.250 | 2.50 | 4 | TM245-28EXJ | 104004 | 104022 |
| UNJ-24 | 0.245 | 0.683 | 0.0069 | 0.020 | 0.250 | 2.50 | 4 | TM245-24EXJ | 104001 | 104019 |
| UNJ-20 | 0.370 | 0.773 | 0.0082 | 0.024 | 0.375 | 3.50 | 5 | TM370-20EXJ | 104034 | 104052 |
| UNJ-18 | 0.370 | 0.800 | 0.0091 | 0.026 | 0.375 | 3.50 | 5 | TM370-18EXJ | 104031 | 104049 |
| UNJ-16 | 0.370 | 0.774 | 0.0103 | 0.029 | 0.375 | 3.50 | 5 | TM370-16EXJ | 104028 | 104046 |
| UNJ-14 | 0.495 | 1.027 | 0.0118 | 0.033 | 0.500 | 3.50 | 6 | TM495-14EXJ | 104061 | 104085 |
| UNJ-12 | 0.495 | 1.031 | 0.0137 | 0.038 | 0.500 | 3.50 | 6 | TM495-12EXJ | 104058 | 104082 |
| UNJ-10 | 0.495 | 1.037 | 0.0165 | 0.046 | 0.500 | 3.50 | 6 | TM495-10EXJ | 104055 | 104079 |
| UNJ-8 | 0.495 | 1.046 | 0.0207 | 0.057 | 0.500 | 3.50 | 6 | TM495-8EXJ | 104064 | 104088 |