★ Carbide End Mill Engraving Bit Size --- Cutting Edge Diameter: 3mm / 0.118"; Shank Diameter: 3.175mm / 1/8"; Cutting Edge Length: 12mm / 0.47"; Overall Length: 38mm / 1.5"
★ Wide Applications --- Wide ranges of materials can be engraved, such as circuit boards, metal, plastics, wood, SMT, PCB, fiber glass, carbon, etc.
★ Wear Resistance --- The cutting edge is sharp, the surface is clean, neat and burr-free. It has sufficient bending strength and wear resistance.
★ Carbide --- The spiral milling cutter is made of carbide, that is good milling properties to ensure efficient work.
★ Useful Tips --- According to the hardness of the material to be processed, selecting the appropriate feed rate and cutting speed can improve the tool life.
