4Pcs 1/2 5/8 3/4 1" inch Diamond Hole Saw Set Granite Drill Bits Tools for

Product Specifications:

Product Name: Diamond tip masonry bit, Stone cutting bits, Granite hole bit

Quantity: Total 4 Pcs

Features:

Brand New & High Quality

Easy to use, good performance and long life.

Excellent for making clean and accurate hole on stone, granite, marble, tile.

Works better with a electric drill (Excluding in this item).

Drilling Speed: Drill a holes 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 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. 

We Can List Any Size (Hole Diameter from 6mm - 160mm) & Amount Of This Product.