7pcs/set Counterbore Set M3-M12 High Quality High-speed

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

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