5pcs Center Drill Bit Set, Double Ended Drill Bit, 60 Degrees, 1.5/2.0/2.5/3.0/4.0mm

FUNCTION - Center and locating drills are traditionally used to create a tapered hole for a lathe center to establish a starting point for a standard twist drill, designed to prevent the drill from walking.

DESIGN - Each drill bit has a double end and is ground with a standard 60-degree angle included.

FIT - Used for producing center supports in components or workpieces requiring machining between centers.

MATERIAL - Material: HSS, applicable hardness: HRC40 or less.

SIZE - The set includes 5 sizes: 1.5 mm tip diameter with 5 mm body diameter and 35 mm length; 2.0 mm tip diameter with 5 mm body diameter and 41 mm length; 2.5 mm tip diameter with 6 mm body diameter and 45 mm length; and 3 mm tip diameter with a body diameter of 8 mm diameter and 51 mm length, 4 mm tip diameter, 10 mm body diameter, and 60 mm length.

Features:

These center drills are used in metalworking to provide a starting hole for a larger drill bit.

They can also be used to make a tapered indentation at the end of a workpiece for mounting a lathe center.

Made of high-speed steel, these center drills are high hardness and have good wear resistance.

There are 5 center drill bits in this set which can be used to drill holes of various sizes.

Widely used on lathe machines, these center drills can cut easily and remove chips smoothly. Usage: Spotting and locating drills are traditionally used to form a tapered hole for a lathe center to create a starting point For a standard twist drill,

Designed to prevent the drill from running.

Used for producing center supports in components or workpieces requiring machining between centers.

Note

When using these drill bits, the material temperature (e.g., soft metal, mild steel, aluminum, acrylic plastic, and wood, etc.) will be very high. Add water or coolant to prevent the product from smoking during use.