4pcs 1/2/2.5/5mm Centering Drills Set 60 Degree HSS Center Drill Bits Countersink Drills

 

Each drill has a double end and is ground with a standard 60 degree angle.

Applicable to iron, steel, copper, aluminum and other processing.

Sharp and durable, accurate positioning, cutting edge clear.

Cutting fast, and good chip removal.

 

1. Center and spotting drills are traditionally used to make a conical hole for a lathe center in order to make a starting point for a standard twist drill,

designed to prevent the twist drill from walking.

2. Used for producing center holds in components or work pieces with require machining between centers.

 

1. For precise center drilling in metals.

2. When rotating between the tips, the two end faces of the workpiece receive the corresponding centering bore.

3. Preparation tool to maintain the exact drilling position.

 

 

1.Please allow a bit error due to manual measurement. please make sure you do not mind before you bid.

2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.