SCT - Scientific Cutting Tools, Inc. Datasheets for Thread Mills

Thread mills are rotating, multi-point tools that are used to produce internal or external threads. They resemble end mills or drill bits, and may be capable of producing multiple threads with a single cut. Thread mills area an alternative to thread cutting or thread forming.
Thread Mills: Learn more

Product Name Notes
Acme thread mills come in both acme and stub acme configurations. Different tools are available to cut the internal and external thread.
Long reach thread mills have three teeth and a helical flute that excel in internal deep threads and hard to cut materials.
Long reach thread mills have three teeth and a helical flute that excel in internal deep threads and hard-to-cut materials.
NPT thread mills come in straight, helical and staggered tooth design. They will cut both internal and external threads. NPTF are for dryseal applications.
Single profile thread mills will cut internal and external threads in a range of thread sizes with minimum cutting pressure.
Single profile thread mills will cut internal and external threads in a range of thread sizes with minimum side cutting pressure.
Staggered tooth thread mills will cut internal and external threads. Every other tooth removed in a staggered pattern for reduced side cutting pressure.
Straight flute thread mills come in a large variety of sizes and are crest cutting for internal threads only.
The 15° helical flute thread mills are non-crest cutting for internal threads only. The helical flute distributes the side cutting pressure.
The 15° helical flute thread mills are non-crest cutting for internal threads only. The helical flutes distribute the side cutting pressure.
The 30° helical flute thread mills will cut internal and external threads. The helical flute distributes side cutting pressure.
The 30° helical flute thread mills will cut internal and external threads. The helical flutes distribute the side cutting pressure.
These straight flute thread mills have a 55° thread profile and cut the British Standard Pipe Parallel (BSPP) and the British Standard Pipe Taper (BSPT).
These straight flute thread mills have the root radius that is required for the external "UNJ" thread.