30Pcs 2.5mm Diamond coated Cylindrical Grinding Mounted Point Bits Burrs for Jewelry Gems Glass Tile Ceramic Marble Granite

The diamond coated hole saw suitable for use in drill hole on Jewelry, Gems, glass, marble, tile or granite.

Product Description:

Diameter : 0.1" (2.5mm) 

Total length : 1-21/32" (42mm), can drill 10mm depth

Shank diameter: 3/32" (2.35mm), Suitable for electric grinder, carving machine with a 3/32" collet

Drilling speed:   Drill a Holes In Seconds
Quantity:Total 30 pieces

Use with water as a lubricant

Quick Tips

1.Please add water for coolant and drill slowly

2.Start drill at 45 Degree to surface and align to 90 Degree as hole forms

3.Never use drills while machine is in hammer action.

4.Holes Require No Futher Work As Cutting Is Clean 
We Can List Any Size ( Hole Diameter from 1mm - 230mm) & Amount Of This Product

We will send out your order within 1-2 days after payment has been received and cleared.

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