The 2.5mm diamond coated hole saw suitable for use in drill hole on glass, marble, tile or granite

Product Name: Diamond tip drill bit, Glass hole saw bit, Glass drill bit

Hole Diameter :      2.5mm (close to 3/32") 

Total length :          42mm (1-21/32")

Drill depth:             3mm (1/8")

The hole of drill bit is not right through the shaft, hole depth approximately 3 mm

Shank diameter:     2.5mm ( close to 3/32")

Quantity:                 20 Pcs

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

The Diamond Hole Saw Does NOT Have Center Pilot Drill

There is no need for a Pilot Drill Bit, because pilots are not safe for glass/stone.

How to use a hand drill to drill holes in the glass/tile/stone?

Step 1. The bit on the glass/tile/stone 45 degree, open a half-moon notch on it

Step 2. Slowly up the bit to 60 degrees, and then gently drill

Step 3. Reached 90 degrees, continue to drill

Step 4. Drill through the glass/tile/stone finally, the technique requires a "wobble" of the drill rather that steady pressure straight on

We Can List Any Size & Amount Of This Product:  Hole diameter from 1mm to 230mm

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

Please let us know if you are looking for other accessories or hardware.