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Carbide Straight Flute Threading Mill

When precision and durability are non-negotiable for your threading operations, the right tool makes all the difference. Our carbide straight flute threading mill is engineered for exceptional performance in creating clean, accurate threads. For applications demanding the ultimate in accuracy and surface finish, explore our High-precision PCD Threading Mill, designed for the most stringent tolerances. In environments where tool longevity is critical against abrasive materials, our Wear-resistant PCD Threading Mill offers superior life. We also provide specialized solutions for specific thread types, including a Carbide Fine Thread Threading Mill for detailed work and a robust Carbide Coarse Thread Threading Mill for high-strength applications.


The Carbide Straight Flute Threading Mill is a cornerstone tool for machinists requiring reliability and efficiency. Its straightforward design ensures consistent chip evacuation, reducing the risk of clogging and heat buildup during the threading process. This tool is particularly effective in materials like aluminum, stainless steel, and various alloys, where it maintains sharp cutting edges over extended periods. The use of premium micro-grain carbide substrate provides an excellent balance of hardness and toughness, allowing for higher feed rates and improved productivity compared to standard HSS tools. Operators appreciate the predictable performance and reduced need for frequent tool changes, which directly contributes to lower machining costs and increased throughput on the shop floor.

Key Specifications & Features:

  • Material: Premium Micro-grain Carbide
  • Flute Type: Straight Flute Design
  • Coating: TiAlN (Titanium Aluminum Nitride) for enhanced wear resistance
  • Primary Application: Internal and external thread milling
  • Ideal For: Aluminum, Stainless Steel, Alloy Steel, Cast Iron
  • Key Advantage: Excellent chip flow, reduced cutting forces, long tool life

Standard Size Chart (Common Thread Sizes)

Thread Size (UNC/UNF) Mill Diameter (mm) Shank Diameter (mm) Overall Length (mm)
1/4"-20 6.0 6.0 75
3/8"-16 9.5 10.0 85
1/2"-13 12.0 12.0 90
5/8"-11 16.0 16.0 100
3/4"-10 19.0 19.0 110
M6 x 1.0 6.0 6.0 75
M8 x 1.25 8.0 8.0 80
M10 x 1.5 10.0 10.0 85
M12 x 1.75 12.0 12.0 90

Recommended Cutting Parameters

Workpiece Material Cutting Speed (SFM) Feed per Tooth (mm) Axial Depth of Cut
Aluminum (6061) 600 - 1000 0.03 - 0.08 Full thread depth
Stainless Steel (304) 150 - 250 0.02 - 0.05 Full thread depth
Alloy Steel (4140) 200 - 350 0.025 - 0.06 Full thread depth
Cast Iron (Gray) 200 - 400 0.04 - 0.09 Full thread depth

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