For Thread Location For Thread Location |
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For Use On For Use On |
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Thread Direction Thread Direction |
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Maximum Tapping Depth Maximum Tapping Depth |
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Application Application |
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Cut a range of thread sizes with a single tool. These thread mills can also produce both right-hand and left-hand threads. All are made of solid carbide with an aluminum-titanium-nitride (AlTiN) coating, so they have high strength and excellent wear resistance, even when cutting hard and abrasive material. Use them in a CNC machine that allows helical interpolation.
When used for internal threading, thread mills can create threads of any size equal to or greater than the minimum size listed. They leave space in the hole for chips to fall, and a broken thread mill can fall into the hole without damaging the workpiece.
Thread mills for internal threading cut threads more quickly than other thread mills, but the threads they create have a fixed pitch.
Thread mills for external threading cut with single point, producing rounded threads that are commonly used for high-stress fastening applications involving heavy loads and high pressures. Each cuts a single thread pitch.
Thread mills for internal/external threading have a single cutting point that cuts threads in a range of different pitches on both the inside and outside of the workpiece.
Threads Per Inch | Overall Lg. | Thread Type | Shank Size | Neck Dia. | Each | |
Aluminum-Titanium-Nitride (AlTiN) Coated Carbide | ||||||
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32 | 3" | UNJ | 3/8" | 0.24" | 0000000 | 000000 |
28 | 3" | UNJ | 3/8" | 0.24" | 0000000 | 00000 |
24 | 3" | UNJ | 3/8" | 0.24" | 0000000 | 00000 |
20 | 3" | UNJ | 3/8" | 0.24" | 0000000 | 00000 |
18 | 3" | UNJ | 3/8" | 0.24" | 0000000 | 00000 |
16 | 3" | UNJ | 3/8" | 0.24" | 0000000 | 00000 |
12 | 3 1/2" | UNJ | 1/2" | 0.34" | 0000000 | 000000 |
For Min. Thread Size | Threads Per Inch | Overall Lg. | Thread Type (For Thread Location) | Shank Size | Neck Dia. | Each | |
Aluminum-Titanium-Nitride (AlTiN) Coated Carbide | |||||||
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#2 | 56-80 | 1 1/2" | UNC, UNEF, UNF, UNS (Internal/External), UNJ (Internal) | 1/8" | 0.034" | 0000000 | 000000 |
#4 | 40-64 | 2" | UNC, UNEF, UNF, UNS (Internal/External), UNJ (Internal) | 3/16" | 0.045" | 0000000 | 00000 |
#6 | 32-64 | 2" | UNC, UNEF, UNF, UNS (Internal/External), UNJ (Internal) | 3/16" | 0.049" | 0000000 | 00000 |
#8 | 32-56 | 2" | UNC, UNEF, UNF, UNS (Internal/External), UNJ (Internal) | 3/16" | 0.07" | 0000000 | 00000 |
#10 | 24-56 | 2" | UNC, UNEF, UNF, UNS (Internal/External), UNJ (Internal) | 3/16" | 0.075" | 0000000 | 00000 |
#12 | 24-56 | 2" | UNC, UNEF, UNF, UNS (Internal/External), UNJ (Internal) | 3/16" | 0.08" | 0000000 | 00000 |
1/4" | 18-56 | 2 1/2" | UNC, UNEF, UNF, UNS (Internal/External), UNJ (Internal) | 1/4" | 0.104" | 0000000 | 00000 |
5/16" | 16-48 | 2 1/2" | UNC, UNEF, UNF, UNS (Internal/External), UNJ (Internal) | 1/4" | 0.153" | 0000000 | 00000 |
3/8" | 14-40 | 3" | UNC, UNEF, UNF, UNS (Internal/External), UNJ (Internal) | 3/8" | 0.192" | 0000000 | 00000 |
1/2" | 12-32 | 3" | UNC, UNEF, UNF, UNS (Internal/External), UNJ (Internal) | 3/8" | 0.24" | 0000000 | 00000 |