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Carbide tap for hardened steel Straight flute Metric tap, UNC tap

Short Description:

Solid carbide taps for hardend materials, short chipping materials

Designed specifically for materials with a hardness range of HRC55-63

Straight flute tap fit for through holes and blind holes threads.

Chamfer form C or Chamfer form B

Superior performance on high hardness steel, obtain outstanding threads, reliability and durability.


  • Tool material: Carbide VHM
  • Application material: ISO material:H/S/P
  • Thread type: M/MF/MJ UN/UNC/UNF/UNS/NPT/NPTF G/BSW/BSP/BSPT
  • Application machine: Tapping machine,Lathe machines,CNC Milling Machine,CNC machining center
  • Coating: TiCN/ALTiN
  • Coolant: Upon request

Product Detail

Product Tags

  • Product description

Taps made of HSSE or HSSE-PM materials are only suitable for processing materials with a hardness below HRC49. Therefore, for workpieces outside this hardness range, carbide tap become the preferred processing choice.
OPT carbide tap for hardened steel with its specially germery of flute profiles and its special rake and relief angles makes thread cutting hardness steel long last, it is apply to workpiece hardness of HRC55-63
TiCN or ALTiN is applied to enhances the hardness and wear resistance improves tool life.

According to end user's application, the Chamfer form leader usually can be 2-3 threads or 4-5 threads, it usually to be used on CNC machining, tap set also available for manuel use.

Carbide tap for hardened steel
Straight flute carbide tap
  • Typical application
Tapping hardened steel Best carbide taps for hardened steel
Tapping hardened steel 
Best carbide taps for hardened steel

In recent years, the demand for precision machining of components made from hardened steel has grown exponentially. The increased utilization of hardened steel in industries such as automotive, aerospace, and manufacturing necessitates the use of specialized tools that can effectively handle high hardness levels. Carbide taps designed specifically for hardened steel applications have become indispensable in this regard.
It is important to select a appropriate carbide tap for each specific application.
OPT has been committed to thread machining in a variety of industries, according to customer application matching machining solutions, to bring customers better processing results and production efficiency.

Inspection and display

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Before ordering, please communicate with our pre-sales customer service:
1. Workpiece material
2. Whether product is surface treated after processing
3. Accuracy requirements, size of go gauge and no go gauge.

Thread Mills 螺纹铣刀


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