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Carbide Spiral Flute Threading Mill

Precision threading in demanding materials requires tools engineered for exceptional performance and longevity. Our Carbide Spiral Flute Threading Mill is meticulously designed to deliver superior thread quality, extended tool life, and unmatched efficiency in your machining operations. This robust threading solution is ideal for applications where standard tools fail, offering a significant upgrade for machining hardened steels, high-temperature alloys, and abrasive non-ferrous materials. For applications demanding the ultimate in precision and surface finish, our High-precision PCD Threading Mill provides an unbeatable edge. When extreme abrasion resistance is the primary concern, especially in high-volume production of composite or non-ferrous parts, our Wear-resistant PCD Threading Mill stands out for its durability. Our threading expertise extends across a full range of thread profiles, including specialized options like the Carbide Fine Thread Threading Mill for delicate, high-precision work and the robust Carbide Coarse Thread Threading Mill for heavy-duty applications requiring strong, deep threads.


The engineering behind our Carbide Spiral Flute Threading Mill focuses on solving core challenges in thread milling. The innovative spiral flute geometry is optimized for efficient chip evacuation, a critical factor in preventing chip recutting, reducing heat buildup, and protecting the thread finish. This design significantly lowers cutting forces, allowing for more stable machining at higher feeds and speeds, which translates directly to shorter cycle times. Manufactured from premium sub-micrograin carbide substrates and coated with advanced, multi-layer PVD coatings, this mill achieves an exceptional balance between hardness and toughness. The result is a tool that resists flank wear, edge chipping, and thermal deformation far longer than conventional options. Every Carbide Spiral Flute Threading Mill undergoes rigorous quality control, ensuring each flute's geometry, pitch, and cutting edge are held to exacting tolerances for consistent, reliable performance batch after batch. This commitment to precision guarantees that your threads meet the strictest dimensional and surface integrity specifications.

Product Specifications

  • Material: Premium Sub-Micrograin Carbide
  • Coating: Advanced AlTiN-based PVD Coating
  • Flute Design: High-Performance Spiral Flute
  • Helix Angle: Optimized for chip evacuation and stability
  • Shank Tolerance: h6
  • Primary Application: Threading in hardened steels (up to 55 HRC), stainless steels, Inconel, titanium, and other difficult-to-machine alloys.

Detailed Parameter Table

Diameter (D) Shank Diameter (d) Overall Length (L) Flute Length (lc) Number of Flutes Thread Pitch Range
6 mm 6 mm 57 mm 12 mm 3 M4 - M8
8 mm 8 mm 65 mm 15 mm 3 M6 - M12
10 mm 10 mm 75 mm 18 mm 4 M8 - M16
12 mm 12 mm 85 mm 22 mm 4 M10 - M20
16 mm 16 mm 95 mm 25 mm 5 M14 - M30

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