7Pcs/Set Counterbore Set -M12 High-Speed Steel 4 Flutes Straight Shank Counterbore End Mills

A set of counterbore end mill that is very good quality and works well. Features: High speed steel and durable. The counterbore set works great in counter bored hole. It includes 7 sizes in one counterbore set( M4 M5 M6 M8 M12). An essential hardware tool for industrial. Apply to cast iron steel copper aluminum conventional hardness of stainless steel and die steel etc. Specifications: Material: High-speed steel Drill Quantity: 7pcs Drill Size: M4 M5 M6 M8 M12 Package Weight: Approx. 303g / 10.69oz Package Size: Approx. 10 * 7 * 4cm / 3.94 * 2.75 * 1.57in Package List: 7 * Counterbore End Mill