30Pcs 0.4-3.0mm Diamond Coated Hole Saw Drill Solid Bits For Jewelry Tools Gemstone Glass Tile Ceramic Marble Granite Code:5A/6A/7A/8A/9A/10A/12A/15A/18A/20A/25A/30A

The diamond coated hole saw suitable for use in drill hole on jewelry, gemstone, glass, marble, tile or granite

Produce Name: Lapidary Diamond Drill Bits, Diamond Drill Bits for Stone Jewelry

Head Diameter : 0.5/ 0.6/ 0.7/ 0.8/ 0.9/ 1.0/ 1.2/ 1.5/ 1.8/ 2.0mm

Total length :  42mm (1-21/32")

Drilling depth: 4-10 mm depth

Shank diameter:2.35mm (3/32")

Quantity:Total 30 Pcs 

Please choose from the menu which size best qualifies your need. Available Head Diameter as below:

Material:  Metal, diamond

Drilling speed: Drill a Hole In Seconds

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 (Head Diameter from 0.4mm - 3mm)& 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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