30Pcs Diamond Coated Conical Pointed Nose Head 3.2 mm 1/8" Grinding Needle

Rotary Burrs Mounted Point Shank 3mm Grit 150 29#

New one box set of 30 Pcs diamond coated grinding burrs / pointed heads in box set

Specifications and shapes:

Heads Shapes: Conical Pointed Nose

Heads diameter: 3.2 mm

Total Length:45mm (1 3/4" inch)

Shank diameter:3mm

They will fit your hand drill, drill press with a 3mm collet.
The Shank diameter of grinding bit is 3mm (1/8 inch).
There are two different collet sizes with Dremel: 2.35mm (3/32 inch) or 3mm (1/8 inch).
If your chuck of Dremel is 2.35mm (3/32 inch), then the grinding bit can be installed and used directly. Because the shank diameter of grinding bit is 2.35mm (3/32 inch).
If your chuck of Dremel is 3mm (1/8 inch), maybe you need add the Adjustable Chuck (Multi Keyless Universal Quick Change Chuck Rotary Tools Accessories for Dremel)

Grit:120 (medium)

Premium type diamond coated, More durable than the ordinary diamond coated burr.

Use with water as a lubricant is better

Suitable for use in grind the edge of glass, marble, rock or jewelry. And apply to drilling glass, shells, tile and stone.

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

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