In the field of metal cutting and machining, the question “whether taps are made of cemented carbide” has recently become a hot topic of discussion in the industry. As high-end manufacturing sectors such as new energy vehicles and aerospace continue to raise requirements for thread machining accuracy and efficiency, the selection of tap materials directly affects production efficiency and product quality. Correctly understanding the application boundaries and core advantages of cemented carbide taps has become the key for enterprises to reduce costs and increase efficiency.
Core Conclusion: Cemented Carbide is One of the Core Materials for Taps, Not the Only Option
Currently, the mainstream tap materials on the market are mainly divided into three categories: high-speed steel (HSS), powder metallurgy high-speed steel (HSS-PM), and cemented carbide (WC-Co). Among them, cemented carbide has become the preferred material for high-end precision machining due to its excellent wear resistance, but it is not suitable for all scenarios. Data shows that the global cemented carbide tap market size exceeded 4.8 billion US dollars in 2025, with a compound annual growth rate of 14.3%. Its proportion in the processing of high-hardness materials continues to increase, while ordinary HSS taps still dominate general processing scenarios thanks to their high toughness and cost-effectiveness.
Technological Breakthroughs and Application Scenarios of Cemented Carbide Taps
The rise of cemented carbide taps benefits from the continuous innovation in materials science. The maturity of ultrafine-grain cemented carbide technology has enabled the grain size of taps to be controlled within the range of 0.2-0.5μm, with hardness increased to HRC 75-80, and service life improved by 78% compared with traditional materials. The Protodyn® HSC series cemented carbide taps launched by Walter AG have doubled machining efficiency through high-speed cutting technology, with a single-tool service life of over 6,000 holes in the processing of automotive electric drive housings.
In specific applications, cemented carbide taps show clear scenario adaptability:
Processing of high-hardness materials: For die steel, aerospace titanium alloy and other materials with hardness above HRC 50, the UH-CT type cemented carbide taps from Japan YAMAWA can achieve stable tapping, reducing the tap breakage rate to 0.9%.
Mass precision machining: In the auto parts field, after replacing traditional HSS taps with SUOFEI cemented carbide extrusion taps, the problem of aluminum alloy sticking to the tool has been completely solved, and the thread surface roughness reaches Ra 0.2-0.4.
Processing of special materials: In the processing of short-chip materials such as high-silicon aluminum alloy and wear-resistant cast iron, the wear resistance advantage of cemented carbide taps is significant, reducing the single-hole processing cost by 17.6%.
Avoiding Pitfalls in Selection: Three Key Principles for Material Control
Industry experts remind that blind pursuit of cemented carbide materials may lead to cost waste or machining failures, and it is necessary to follow the core principle of “material adaptation to processing needs”:
For the processing of ordinary steel (Q235, 45# steel), HSS taps are preferred to avoid chipping caused by the brittleness of cemented carbide.
For the processing of viscous materials such as stainless steel and non-ferrous metals, anti-stick coatings such as DLC should be used, and cemented carbide is only suitable for high-strength models.
Machine tool conditions determine the upper limit of material selection. For manual tapping or equipment with insufficient rigidity, high-toughness HSS should be selected; cemented carbide taps need to be matched with high-precision machine tools with spindle runout ≤ 0.005mm.
Industry Trends: Cemented Carbide Taps Moving Towards High Efficiency and Specialization
With the upgrading of high-end manufacturing demand, cemented carbide taps are showing three major development trends: first, composite material integration. Enterprises such as LMT Tools have achieved a balance between wear resistance and toughness by combining the properties of cemented carbide and high-speed steel; second, customized products for segmented scenarios. Specialized taps such as those for new energy vehicle electric drive housings and ultra-micro-diameter taps for semiconductor equipment are developing rapidly; third, intelligent technology empowerment. The comprehensive use efficiency of cemented carbide taps has been increased by 35% through condition monitoring systems. Industry insiders predict that by 2030, the demand for cemented carbide taps in new energy vehicles, aerospace and other fields will exceed 3.9 billion US dollars, becoming the core driving force for market growth.
For enterprises in the cutting industry, accurately grasping the application scenarios and technical characteristics of cemented carbide taps is the key to improving processing efficiency and reducing production costs. It is recommended to scientifically select tap materials based on factors such as the hardness of processed materials, machine tool precision, and batch demand, and to jointly build process solutions with tool suppliers when necessary.
Post time: Apr-06-2026