hrc70 thread mill

HRC70 Thread Mill

Engineered for high-speed CNC applications, the SAMHO HRC65 Metric Series is the ultimate solution for threading heat-treated materials. Featuring a full-tooth profile for one-pass thread generation and the latest AlTiN nano-coating, these solid carbide cutters deliver exceptional dimensional accuracy and wear resistance in mold steels (H13, S136, SKD61) up to 65HRC.

One-Pass Efficiency: Full-form profile generates complete threads in a single CNC cycle.

Extreme Hardness: Purpose-built for hardened steels from HRC46 to HRC68.

Vibration Control: Variable helix geometry suppresses chatter for superior thread finishes.

Precision Manufacturing: 5-axis CNC ground with tolerances held to ±0.01 mm.

In high-hardness thread machining, tooling requirements are extremely demanding. Tools must maintain stable cutting performance when machining materials up to HRC70 while also delivering excellent wear resistance and anti-chipping performance.

The SAMHO HRC70 dedicated thread end mill is engineered for machining difficult materials such as high-speed steel, hardened steel, and mold steel. It is built on a high-performance substrate combined with an advanced coating technology. This significantly improves heat resistance and tool life while maintaining cutting edge strength.


Advanced Technical Features

Thread machining of high-hardness materials places significant demands on cutting tools. This is especially true in thread milling of HRC70-grade hardened steels, high-speed steels, and mold steels. These applications require stable cutting performance, high wear resistance, and strong edge-chipping resistance to ensure consistent thread accuracy and long tool life.

The SAMHO HRC70-specific thread end mill is designed for precision thread milling in high-hardness materials. It is suitable for applications requiring Go/No-Go gauge verification, ensuring consistent and reliable thread dimensions in production.

High-Adhesion, High-Wear-Resistance Coating for Extended Tool Life

The tool uses an advanced high-performance coating that improves hardness and thermal stability.

  • Strong Wear Resistance: Maintains a stable cutting edge under high-speed machining and dry or MQL conditions.
  • Improved Chipping Resistance: The coating bonds strongly with the carbide substrate, helping resist impact and abrasion when cutting hardened materials.

Geometry Optimized for Thread Milling Performance

The tool design is optimized specifically for thread milling applications.

  • Improved Cutting Stability: Reduces cutting forces and vibration, improving thread consistency.
  • Accurate Thread Profile Control: Supports precise internal and external thread milling with stable dimensional results.
  • Efficient Chip Evacuation: Helps prevent chip buildup and reduces the risk of surface damage during machining.

Fine-Grain Carbide Substrate with Precision Grinding

The tool is manufactured from high-strength fine-grain carbide and finished using precision grinding processes.

  • Stable Dimensional Control: Supports high repeatability in production environments.
  • High Fracture Resistance: Performs reliably under interrupted cutting and high-load conditions.
  • Reliable Production Performance: Suitable for both batch manufacturing and high-precision mold machining.

Versatile Application Range

This HRC70 thread milling cutter series is designed for precision thread machining in high-hardness materials. It is widely used in the following applications:

  • Internal and external thread machining in high-speed steel (HSS)
  • Thread milling of hardened steels (HRC 50–70) and quenched steels
  • Machining and repair of threaded holes in mold steels
  • High-precision thread formation in mold components
  • Precision thread machining requiring strict Go/No-Go gauge inspection

Why Source Wholesale from SAMHO?

  • Designed for High-Hardness Thread Machining
    Supports stable threading in HRC50–70 materials, including hardened steel, high-speed steel, and mold steel.
  • Consistent Thread Accuracy
    Meets Go/No-Go gauge requirements, ensuring reliable dimensional control in batch production.
  • High Wear Resistance and Anti-Chipping Performance
    Suitable for high-speed and high-load threading applications, helping extend tool service life.
  • Stable Machining Performance
    Reduces vibration and cutting instability, improving thread quality and surface consistency.
  • Wide Industrial Application Range
    Commonly used in mold manufacturing, precision component production, and high-precision mass threading operations.

With stable performance, long tool life, and consistent accuracy, the SAMHO HRC70 series provides a reliable solution for precision threading in high-hardness materials.

Model Number Tooth Pitch Diameter of Cut Effective Length Shank Diameter Overall Length Number Of Flutes Type In Stock
HRC70 Superhard Thread Milling Cutter M1.6*0.35 0.35 D1.2 3.2 6 50 3 2 Tooth
HRC70 Superhard Thread Milling Cutter M2.0*0.4 0.4 D1.55 4 6 50 4 2 Tooth
HRC70 Superhard Thread Milling Cutter M2.5*0.45 0.45 D1.96 5 6 50 4 2 Tooth
HRC70 Superhard Thread Milling Cutter M3*0.5 0.5 D2.4 6 6 50 4 2 Tooth
HRC70 Superhard Thread Milling Cutter M4*0.7 0.7 D3.15 8 6 50 4 2 Tooth
HRC70 Superhard Thread Milling Cutter M5*0.8 0.8 D4.05 10 6 50 4 2 Tooth
HRC70 Superhard Thread Milling Cutter M6*1.0 1 D4.8 12 6 50 5 2 Tooth
HRC70 Superhard Thread Milling Cutter M8*1.25 1.25 D6.5 16 8 60 6 2 Tooth
HRC70 Superhard Thread Milling Cutter M10*1.5 1.5 D8.2 20 10 75 6 2 Tooth
HRC70 Superhard Thread Milling Cutter M12*1.75 1.75 D9.9 24 10 75 6 2 Tooth
Download 2: HRC70 Thread Mill File

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