Product Specification

Product Name: 1 inch hole saw, Stone cutting bits, Granite hole bit

Outer Diameter : 25mm (close to 1 inch) 

Inner Diameter: 21.5mm (0.85 inch)

Hex Shank Diameter: 10mm (3/8 inch)

Total Length: 70mm (2.75 inch)

Drill Depth:  35mm (1.38 inch)

Recommend Speed: 2080-4160RPM

Quantity: Total 2Pcs

With Spear Shaped Center Pilot Drill Bits, Easy to Get Started:

Tile hole saw with center guiding drill bit make you more easy to locate the center to start drilling on a smooth tile surface. No need to spend time making extra jig guides.

Features

Brand New & High Quality

Easy to use, Good performance

Made of carbon steel and diamond powdert, make these diamond hole saws sturdy, sharp, lasts longer

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

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

Diamond drill set with standard 3/8" hex shank that will fit cordless screwdrivers, drills etc or use in standard drill chuck

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

3. Holes require no futher work as cutting is clean

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

Step 1. Start drilling with center pilot bit, keep adding water when drilling

Step 2. After making the initial marks, remove the center pilot bit

Step 3. Drilling without a center pilot bit, continuously "wobble" of the drill rather that steady pressure straight on

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

We Can List Any Size( Hole Diameter from 2mm - 200mm) & Amount Of This Product