POWLAB 5pcs Counterbore Set High-Speed Steel M3-M8 4 Flutes HSS-AL Straight Shank Counterbore End Mills for Copper Aluminum Steel Cast Iron
- Mill cutters are made of hard high speed steel, usually used to be assembled on milling machine..
- It includes 5 sizes in one counterbore set(m3, m4, m5, m6, m8).Please refer to the size chart for detailed data..
- High toughness, abrasion resistance, high-speed cutting for the high hardness..
- Reduces times of changing tools, improves machine actuator movement efficiency and save mold making time..
- Suitable for milling of copper, aluminum, steel, cast iron, etc.An essential hardware tool for industrial..