UNJF Thread End Mill
TC611 Series is a professional-grade thread milling cutter specially developed for precision aerospace threading of 60° US standard UNJF threads conforming to ISO 3161 standards. Adopting superfine grain hard alloy substrate, it can machine 60° American standard threads (UNJF series) efficiently and accurately.It is the ideal choice for mold, aerospace, automotive and general mechanical processing fields. This series provides diversified high-performance coatings, ensuring excellent processing efficiency, superior surface finish and long stable tool life on various materials below 18 HRC.It is used to machine miniature NO.4–40 UNJF threads on steel substrates of aerospace sensors and navigation equipment to meet high reliability requirements.
| Product Series | TC611 Series |
|---|---|
| Tool Substrate | Superfine Grain Tungsten Carbide |
| Product Name | Thread Milling Cutter |
| OEM / ODM | Available as per samples / drawings |
| Specification Model | NO.4-40UNJF |
| Lead time | In stock / 2 weeks |
| Origin | Shenzhen, China |
Design details engineered for accuracy, tool life and process stability.
Fully compliant with ISO 3161, engineered for high-precision, high-fatigue aerospace thread joints. One-pass thread forming boosts machining efficiency by 45% vs conventional taps.
HRC68 superfine grain alloy with 60% higher chipping resistance, stably machining hard-to-cut aerospace materials like titanium, high-temp alloys and stainless steel.
Thread pitch accuracy is controlled within ±0.003mm, and surface finish can reach Ra ≤0.15 μm, satisfying strict tolerance requirements of aerospace parts.
Rigidity boosted by 25%, no deflection during high-speed machining, ensuring consistent thread depth and precision.
Adopts vacuum ion plating technology, coating adhesion increased by 40%, preventing coating peeling from affecting machining precision.
No pre-drilling of central holes required, capable of direct blind hole thread machining, cutting down working procedures and boosting efficiency.
Direct action of cutting fluid reduces friction between cutting edges and workpieces, improving machined surface quality and lowering tap wear.
Cutting edge radius precisely controlled at 0.003mm, balancing sharpness and wear resistance, reducing edge chipping and guaranteeing consistent machining results.
Send the thread standard, size and tolerance class. We supply standard taps and thread mills, plus special threads made to your samples or drawings.