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homasnet.comComputer numerical control, or popularly known as CNC, is a modern machining method for performing different steelworks. Compared to other tools for steelworks, CNC machining offers improved precision, productivity, and safety.

For better performance, a CNC machine requires live tooling. It involves using a program to set the cutting tools in place to cut a material and create a work piece. Below are some of the cutting tools in a CNC machine.

End Mills

According to, end mills are useful for cutting stainless. With end mills, a significant portion of raw material is taken away to create a rough shape from a work piece. A finishing end mill takes care of the finishing touches to create the piece’s final form, based on the blueprint. End mills come in different sizes and materials, including high-speed steel, cobalt, and carbide. Cobalt is usually used for roughing end mills while carbide is for finishing end mills.

Drill Bits

Used for CNC lathes and mills, drill bits are perfect for drilling holes of any sizes. They are usually set in drill chucks but can also be placed in CAT 40 or CAT 50 holders in CNC mills. The drill bit and its holder in CNC mills can spin at multiple speeds, depending on the material being drilled. In lathes, they remain in place as the material itself spins while being cut. Drills are available in a range of sizes and materials, including carbide and high-speed steel.

Insert Cutters

Insert cutters are for cutting raw materials in a CNC lathe. The tips or inserts are fashioned from carbide. Ideal for both roughing and finishing processes, these are available in different chip-breaking designs to achieve a nice finish.

These are just some of the cutting tools in CNC machines. Each of them has different purposes. It’s the job of the machine operator to better understand how they work.

Terohan Nula