1 inch Diamond Drill Bit for Glass-Tile - Spacer
Diamond Drill Bit for Tile-Glass
1" Diamond Drill Bit
Glass Drill Bit - Tile Drill Bit

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1" Bonded
Diamond Drill Bit  DT-520

1 Inch Diamond Drill Bit for Glass-Tile


1 Inch Diamond Drill Bit for Tile 1 Inch Diamond Glass Drill Bit 1 Inch Diamond Drill Bit for Tile-Glass Tile Drill Bit

Diamond Drill Bits for Tile

Starting Diamond Drill Bit in Tile with Template

How to Drill Glass-Tile

Glass drill bit

Drill in Glass Block Using Clay Dam

Glass drill bit in pan for lubrication

Size:    

Designed for Drilling   
  Wall Tile Ceramics Glass
  Floor Tile Marble Glass Bottles
  Stone Tile Slate Glass Block
  Porcelain Thin Stone Fiberglass

Electroplate bonded diamond drill bit.  Drill glass, tile, porcelain, ceramics and stone to depths of about 1/2". 

  *  Drill the new "Super-Hard" porcelain tile.
  *  Drill glass & ceramics without breakage.
  *  US Sizes (not similar metric sizes).
  *  Fits any 3/8" hand drill or drill press.
  *  Use water for lubrication & cooling.

Do not use with hammer drill.  
Consult usage instructions below.  

More Details

Specifications
 

Instructions
Questions

Reviews

1 Inch Diamond Drill Bit

1" Bonded
Diamond Drill Bit

$29.95ea
6+ $26.36
14+ $22.47
45+ $19.44

Quantity:

In Stock
Ready to Ship
Standard Delivery
via Priority Mail
2-3 day delivery

 


 

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 Detailed Description

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Designed for Drilling       
  Wall Tile Ceramics Glass
  Floor Tile Marble Glass Bottles
  Stone Tile Slate Glass Block
  Porcelain Thin Stone Fiberglass

Designed for drilling to about 1/2" depth.   

DiamondSure brand Electroplated Diamond Drill Bits are also know as Diamond Core Drill Bits or Diamond Hole Saws.

They are often thought of as a Glass Drill Bit or Tile Drill Bit, but they are much more versatile since they are used to drill glass, ceramics, porcelain, ceramic tile, porcelain tile and thin stone like limestone, slate, marble, granite, and also fiberglass.  Water is required for lubrication when drilling.

Old fashioned Spear Point carbide bits
no longer work on the new type of
super-hard floor, counter and wall tiles.
Diamond Drill Bits are the solution.

Hole Saw style drill bits have a hollow center and cut a circle in the material to create a hole. This results in a hole the size of the bit and a smaller "plug" or "core" which comes from the center.  They are sometimes referred to as Diamond Core Drill Bits, however, technically core drill bit sizes relate to the size of the core, not the hole size.  Our Diamond Drill Bits are available in sizes from 5/64" to 5-1/2" (outside diameter).

 Specifications

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Our Stock Number: DT-520
Brand Name: DiamondSure
SKU / Model: 900-010
Drill Bit Size: 1" OSD
Max Drilling Depth: About 1/2"

Specs:
Fractional Size:

1"
Tip Style:

Hollow
Diamond Grit:

80
OSD - US:

1.01"
OSD - Metric:

25.7 mm
ISD - US:

0.90
ISD - Metric:

22.9 mm
Shaft Diameter:

5/16"
Sidewall Thickness:

0.05"
Shaft Length:

1"
Tip Length:

1-1/8"
Total Bit Length

2-1/4"

Other: Bit requires water for lubrication and cooling.
  Proper drill speed, pressure and lubrication are necessary to keep the bit from over heating when drilling in very hard materials.
  Raise the drill bit up slightly every 30-40 seconds, to allow water to penetrate to the drilling tip.
  Do not use with a hammer impact drill
or for drilling concrete or masonry.

 


 

 Instructions

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Water Lubrication

Water must be used for lubrication.  There are many ways to lubricate the drilling, as explained in our Drilling Tips & Techniques page. 

Simple lubrication methods include drilling under water in a cake pan or tub, using a small clay "dam" around the drill hole area or even using a spray bottle to spray water directly into the drill slot.  These simple lubrication methods are very effective when used properly and they work well for most drilling applications.

It is important to "pump" the drill periodically - about every 30-40 seconds, to allow water to seep to the drilling tip area.  Merely raise the drill bit slightly to allow water to flow to the tip and keep the tip from running dry.  This simple technique helps keep the drill bit from overheating, extends the bit life considerably and helps avoid causing "heat fractures" in the work materal.

IMPORTANT
Diamond drill bits require use of proper lubrication,
correct drill speed and proper pressure. 
Drilling methods and techniques can vary depending upon the specific material being drilled.
Please See: Drilling Tips & Techniques

Starting a Hole Saw / Core Drill

Starting a hollow core drill / hole saw style drill bit can sometimes be difficult.  Our Drilling Tips & Techniques section discusses the various starting methods.

Method 1:  To start drilling, you can usually hold the tip in place with your fingers while running the drill at a very slow speed.  Once the bit has created a slight 'groove', the drill bit will remain stationary on it's own.

Method 2:  For smaller drill bits, you can also hold the drill at a 60 degree angle while running the drill at a very slow speed.  As the drill bit begins to drill, slowly tilt the drill bit up to vertical.  Once the bit has created a slight 'groove', the bit will remain positioned.

Method 3:  A template can be made by drilling a pilot hole, the size of the diamond drill bit, in a piece of soft wood or plastic.  Hold the template in place over your drilling area and use the 'pilot hole' to hold the drill bit in place when beginning to drill.  You can also use a "V" notch on the edge of a starting template to help hold various sizes of core drill bits while starting to drill.

Starting a Diamond Drill in Tile

Speed / Pressure

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Drill Speeds

It is very important to use proper drilling techniques to keep a diamond drill bit from over heating and to avoid causing "heat fractures" in the material being drilled.  Proper drill speed, low pressure and good water lubrication are very important factors.

DiamondSure
Bonded Diamond Drill Bits
Recommended Drill Speeds

DiamondSure
Bonded Bits

Recommended
Drill Speed (rpm)

Material         Bit Size --> 

1/2"

1"

2"

3"

4"
 Fiberglass

1200

700

350

250

175
 Glass, Ceramic & China

800

500

250

160

125
 Limestone Marble Stone

600

450

225

130

100
 Ceramic Wall Tile

600

450

225

130

100
 Porcelain Wall Tile

500

375

180

125

90
 Porcelain Floor Tile

500

375

180

125

90
 Granite Stone

400

300

150

100

75


Not for use on Concrete
or depths beyond about 1/2"
Do not use with Hammer Drill

SPEED KILLS:  Reduced drill speeds, low drill pressure and good use of water lubrication will extend diamond drill bit life considerably.


DiamondSure
Bonded Diamond Drill Bits
Recommended Drill Head Pressure

Material

Drill Head Pressure
 Fiberglass

10 to 15 lbs.
 Limestone & Marble Stone

12 to 18 lbs.
 Glass, Ceramic. Porcelain China

12 to 18 lbs.
 Ceramic/Porcelain Wall Tile

15 to 20 lbs.
 Porcelain Floor Tile

18 to 30 lbs.
 Granite Stone

18 to 30 lbs.

WARNING:  Drill press arm gears leverage hand pressure by about 6 to 8.  So 2 lbs of hand pressure on the drill press arm can apply up to 16 lbs of pressure to the drill head.

 


 

 Questions & Answers

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 Reviews & Ratings

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Omaha, Nebraska



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