--- description: What is the right tool or router bit for your stone fabrications, you will know how to choose CNC router tools for stone cutting & carving plans in this manual. title: How to Choose CNC Router Tools for Stone? image: https://www.stylecnc.com/uploads/allimg/160426/1461669202130984-lp.jpg --- # [How to Choose Stone CNC Router Bits?](https://www.stylecnc.com/user-manual/How-to-choose-stone-cnc-router-tool.html "How to Choose Stone CNC Router Bits?") Last Updated: 2021-02-24 By [Jimmy](https://www.stylecnc.com/author/jimmy "Jimmy")3 Min Read ## How to Choose CNC Router Tools for Stone? CNC router tools for stone include: standard alloy tool angle, metallurgical melting cutter diamond grinding, tri overall alloy bit, PCD polycrystalline diamond cutter, sintered diamond grinding tool, rectangular diamond cutter, ordinary alloy tool. ![Stone CNC router tools]() ![Stone CNC router bits]() The stone CNC router machine is widely used in the stone industry, the construction industry, and the mold industry, so how to choose CNC router tools for stone fabrication? **Standard Alloy Tool Angle** Using high-performance alloy, double-edged design, standard angle, lettering, fine relief effect is good. Usually used for carving bluestone, marble! It can be custom made with a flat bottom flat ground cutter **Metallurgical Melting Cutter Diamond Grinding** Metallurgical melting cutter diamond grinding, using military high-tech "Metallurgical melt diamond technology" manufacturing, with good sharpness, high efficiency carving, blade deformation, high precision carving. Therefore, carved marble, bluestone, sandstone and other materials, often used as a tool of choice for high efficiency relief is also carved characters weapon. **Tri Overall Alloy Bit** Overall alloy triangular cutter ultra super wear-resistant alloy particles. Wear resistance is much higher than other market triangular cutter. Angle standard lettering effect. There universal grinder customers can use this cutter. **PCD Polycrystalline Diamond Cutter** High quality polycrystalline diamond blade, blade comparable domestic quality is far from cheap. Vacuum welding technology, do not damage the blade does not fall off, microscopic grinding technology makes the sharpness of the blade, the strength is optimized. Usually used for small carved granite. Hardness, high life expectancy and nice carving effect. When used, it should be noted flex pass, the cutter can not be too much. **Sintered Diamond Grinding Tool** Sintered diamond grinding is generally used for granite milling bottom. Since the head of a multi-layer sintered diamond has a very long life. The disadvantage is that the sharpness is not high, the tip will be deformed. Therefore, carving marble, bluestone and other materials, in order for you to achieve higher outputs and carving effect, does not recommend the use of sintered cutter. Do granite and other hard stone fabrication, in order to avoid the exorbitant costs of the tool, the choice of sintering grinding cutter. **Rectangular Diamond Cutter** Usually made of granite engraved with small print or line carving. The advantage is a higher life, the disadvantage is the relatively poor sharpness, carving shallower depth. **Ordinary Alloy Tool** Such stone carving tools using high-performance alloy, double-edged design, sharpness is good, cost-effective, easy manual regrinding. Disadvantages: This type of cutter since the angle of non-standard, not suitable for relief carving. Usually used for carving bluestone, marble, white marble sculpture. In short, there is no perfect stone cutters, stone carving tools in selecting the time, only with the right tool in order to achieve optimal machining. ### Share This Article With Others ### Further Reading #### Why Suction Power Insufficient on CNC Wood Router Table? 2016-04-25[Prev Post](https://www.stylecnc.com/user-manual/Solutions-for-woodworking-cnc-router-table-suction-insufficient.html "Why Suction Power Insufficient on CNC Wood Router Table?") ### Who Needs A CNC Router Machine? 2016-04-27[Next Post](https://www.stylecnc.com/user-manual/who-needs-a-cnc-router-machine.html "Who Needs A CNC Router Machine?") ### Related Guidance [](https://www.stylecnc.com/cnc-software/Weihong-Ncstudio-CNC-Controller-V5-5-60-ENGLISH-Setup.html "Weihong NcStudio CNC Controller V5.5.60 ENGLISH Setup") 2026-06-082 Min Read #### [Weihong NcStudio CNC Controller V5.5.60 ENGLISH Setup](https://www.stylecnc.com/cnc-software/Weihong-Ncstudio-CNC-Controller-V5-5-60-ENGLISH-Setup.html "Weihong NcStudio CNC Controller V5.5.60 ENGLISH Setup") Weihong NcStudio CNC Machine Vision Controller V5.5.60 ENGLISH support functions of Advance Start, Breakpoint Resume, MPG Wizard, Reverse Cutting, and more. 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