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Instructions on How to Use Diamond Drill Bits – Keeping Cool and On Target

How to Use Diamond Drill Bits

Instructions on

How to Use Diamond Drill Bits

Keeping Diamond Hole Saws Cool and On Target

How to Use Diamond Hole Saw

In this post, we will try to give you some basic DIY information on how to use diamond drill bits and How to Use Diamond Hole Saws. Generally speaking, diamond drill bits – diamond hole saws are used on brittle materials such as ceramics, porcelain, glass, granite, marble, quartz, tiles, etc. To see our selection of diamond drill bits please visit our store.

The main idea behind this is the grinding action. Diamond abrasive particles adhered to the rim of the diamond hole saw grinds away the material in a circle and a hole is formed by removing a core plug.

Removal of a core plug of quartz

Since the diamond abrasive particles adhere to a metallic bond, increased temperature will cause the bond to break and the diamond hole saw rim will have no grinding action left.

That’s why the use of water for cooling the tool is important. Here are ways to keep the tool to prevent overheating:

Build a Small Water Dam

Plumbers putty is great for building a mini water dam around the hole area.

Water Dam Putty

Positioning the diamond drill bit can be a challenge and it is an important part of how to use diamond drill bits. Here are some of the ways you can start drilling the hole:

Start the Hole At an Angle

Pilots drill bits are not useful when it comes to drilling brittle materials. To drill holes in porcelain or ceramic tile, glass or granite,  start the hole at an angle and slowly work it straight.

Starting Diamond Hole Saw Drilling

Drilling Porcelain Tiles

Here is a close up for “starting the diamond hole saw at an angle”

How to use diamond drill bits

You can go up straight, once you for a C Slot cut in the material:

As an alternative, you can use one of our sets that come with a foam insert guide.

Diamond hole saw set with foam insert guide

You can also use our adjustable guide for positioning the diamond hole saw. You can see our instructions on how to use diamond drill bits with guides here.

Drilax Diamond Hole Saw Guide

Perfect Hole in Tile

This is how you can achieve results with Drilax Diamond Drill Bits.

Drilax Diamond Hole Saw Set Guide

 

 

Tub Drain Project

Using one of the larger Drilax Diamond Holes, this project for tub drain is completed. The small hole is for water pipes.

Tub Drain Hole Tiles

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What is the recommended Drill Speed Diamond Hole Saw?

Drill Speed Diamond Hole Saw

How to adjust the speed of the drill for diamond hole saw.

The best use of diamond hole saws requires the correct speed and cutting conditions. The drill speed diamond hole saw depends on the dimension of the diamond hole, the material, and the depth of cut.

The ultimate goal is to drill the hole without overheating the tool. Please use the table below as a reference.

 

Diamond Hole Saw Diameter
Type Of Material 3/8” ½” 1” 1-1/2” 2” 2-1/2” 3”
Granite 500 500 400 300 200 150 100
Porcelain/Ceramic Tiles 500 600 500 400 300 200 150
Glass 700 700 600 500 400 300 200
Marble 600 600 500 400 300 200 100
For concrete or masonry please prefer our HEAVY DUTY products.