6pcs 1/1.5/2/2.5/3/5mm Centering Drills Set 60 Degree HSS Center Drill Bits

Description:
This drill set is made of high speed steel material, which has high hardness and long service life. Used for producing center holes in components or work pieces with require machining between centers.

Features:
Each drill has a double end and is ground with a standard 60 degree angle.
1mm 1.5mm 2mm 2.5mm 3mm 5mm center drill bits can meet for your different needs.
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.
Made of high speed steel material, which has high hardness and long service life.
Surface nitride treatment, easy to clean.

Specification:
Material: HSS
Surface treatment: nitride treatment
Type: 1mm 1.5mm 2mm 2.5mm 3mm 5mm
Size(Approx.):  
35*1mm / 1.3*0.04inch
35*1.5mm / 1.3*0.06inch
40*2mm / 1.5*0.08inch
45*2.5mm / 1.7*0.1inch
50*3mm / 1.9*0.1inch
60*5mm /2.3*0.1inch
Weight: 62g
Quantity: 6pc

Package Included:
6 x Centering Drill Bits  

Note:
Due to the light and screen difference, the item's color may be slightly different from the pictures.
Please allow 1-3mm differences due to manual measurement.
Thank you for your kindly understanding.