30Pcs 1.5mm Diamond Coated Hole Saw Drill Solid Bits For Jewelry Gemstone Glass Tile Ceramic Marble Granite Code 15A

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

Product Specification:

Head Diameter: 1.5 mm

Drill depth: 6mm (1/4") 

Shank diameter: 2.35mm (3/32")

Suitable for electric nail drill, carving machine, machinery supporting assembly with a 3/32" collet

Total length : 42mm (1-21/32")

Quantity: Total 30Pcs

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.  Never use drills while machine is in hammer action

Apply to jade carving, stone carving, bone carving, glass carving etc.

Used for sculpturing, precision grinding and drilling in precious stone, ceramic, glass, jewelry, alloy, shells and many the abrasive materials

Use with water as a lubricant is better

Adding water when use the diamond grinding head is good, can improve the sharpness and the life

We Can List Any Size (Head 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. 

Just a friendly reminder: The Shank diameter of grinding bit is 2.35mm (close to 3/32")

There are two different collet sizes for Dremel: 3mm (1/8") or Universal 3-jaw chuck

If your chuck of Dremel(models 4300-8050) has an Universal 3-jaw chuck, then the grinding bit can be installed directly

However, it is NOT suitable for dremel with 3mm 1/8" chuck(such as:models 3000,4000)

If your chuck of Dremel is 3mm (1/8"), maybe you need add the Universal 3-jaw chuck for Dremel