End Mill PCB Engraving Bits 10pcs Titanium Coated Tungsten Carbide Drill Bits Set CNC Rotary Milling Tool 3.175mm Shank x 1mm Diameter
- TUNGSTEN CARBIDE MATERIAL: Made from tungsten carbide material with good milling, cutting performance, ensuring high work efficiency.
- FUNCTION: Sharp edges, can be use for milling holes, grooves and edges on plates and the process will be smooth.
- SUITABLE MATERIAL: Many items or materials can be engraved such as circuit boards, plastics, stainless steel and copper.
- HIGH HARDNESS: Have sufficient anti-bending strength, wear resistance, high hardness, high wear resistance and high strength.
- EXQUISITE WORKMANSHIP: Well polished surfaces are quite clean, neat, and there is no glitches or burrs on the shank.