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

Description:
This drill set is made of high speed steel material, which has high hardness and long service life. Used for producing center holds 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.
1/2/2.5/5mm center drill bit 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: 1/2/2.5/5mm
Size(Approx.):  
35*1mm / 1.3*0.03inch
40*2mm / 1.57*0.07inch
45*2.5mm / 1.7*0.09inch
60*5mm / 2.3*0.19inch
Weight: 46g
Quantity: 4pc

Package Included:
4 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.