Item: Diamond Drilling Crowns Milling Finger Bits Core Drill Bits

Quantity: 1pc or 2pcs

Connection: Triangular shank

Specification:

Diameter 20mm/25mm,Total length 65mm;

·Drilling Part: Length 5mm,Grit#40/45

·Milling Part: Length 25mm,Grit#70/80

 Shank diameter: 10mm

Application:
1. Used for processing ceramic tile, porcelain tile, marble, granite and other materials;

2.Dry or wet use, suitable for electric hand drill.

NOTE!!!

1)Recommended speed 2000RPM, maximum speed 5000RPM.

2)Do not use impact or hammering modes.

Feature: 

1.Multiple functions such as drilling,milling,special design.

2.Vacuum brazed technology improves product performance and prolongs service life.

3.High-quality diamond coated ensures sharpness of drilling and better finishing.