Item: Diamond Drilling Crowns Milling Finger Bits Core Drill Bits
Quantity: 1pc or 2pcs
Connection: Triangular shank
Diameter 20mm/25mm,Total length 65mm;
·Drilling Part: Length 5mm,Grit#40/45
·Milling Part: Length 25mm,Grit#70/80
Shank diameter: 10mm
1. Used for processing ceramic tile, porcelain tile, marble, granite and other materials;
2.Dry or wet use, suitable for electric hand drill.
1)Recommended speed 2000RPM, maximum speed 5000RPM.
2)Do not use impact or hammering modes.
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.
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