A set of counterbore end mill that is very good quality and works well.

Features:
High speed steel, high quality and durable.
The counterbore set works great in counter bored hole.
It includes 7 sizes in one counterbore set(M3, M4, M5, M6, M8, M10, 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: M3, M4, M5, M6, M8, M10, 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