Aibesy 7pcs/set Counterbore Set M3-M12 High-speed Steel 4 Flutes Straight Shank Counterbore End Mills
- High speed steel, high quality and durable..
- It includes 7 sizes in one counterbore set(M3, M4, M5, M6, M8, M10, M12)..
- An essential hardware tool for industrial..
- The counterbore set works great in counter bored hole..
- Apply to cast iron, steel, copper, aluminum, conventional hardness of stainless steel and die steel, etc..