Diamond drill bits. cylinder bits - twisted bits - core drills
Diamond Drill Bits
Cylinder - Twisted - Core
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MM - Inch Quick Reference
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MM to Inch / Inch to MM

 
Cylinder Diamond Drill Bits
* Shank size is apx. the same size as the bit itself.

Image - Diamond Drill Bits For drilling holes in ceramic, stone and glass. Available in 3/4 mm, 1 mm, 1-1/4 mm, 1-1/2 mm, 2 mm and 2-1/2 mm sizes. $3.50
Ea.
Qty:
Image - Diamond Drill Bits For drilling holes in ceramic, stone and glass. Available in 3/4 mm, 1 mm, 1-1/4 mm, 1-1/2 mm, 2 mm and 2-1/2 mm sizes.
Package Of 6 Bits
$17.50
(6)
Qty:

 
Twisted Diamond Drill Bits
* Shank size is apx. the same size as the bit itself.

Twisted Diamond Drill Bits Twisted bits are very popular in stone bead drilling. These bits offer faster drilling and are frequently used along with diamond cylinder bits. Best suited for reaming and enlarging holes.
1 mm -    $4.00 each 
1.5 mm - $4.25 each
2 mm -    $4.50 each
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3/32" Shank Diamond Core Drills
Designed to work with most felx shaft and hand held motor tools

3/32 Shank Diamond Core Drills These core drills are specially designed with 3/32" shanks to work with most flex shaft and hand held motor tools. The holes in the sides of the drills allow water to flow through to help keep the working surface lubricated.
1.5 mm - $4.50 each
2.0 mm - $4.50 each
2.5 mm - $4.50 each
3.0 mm - $4.50 each
4.0 mm - $6.75 each
5.0 mm - $6.75 each
6.5 mm - $9.00 each
10 mm - $12.00 each
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Super Small Diamond Core Drills
* Shank size is apx. the same size as the bit itself.

Small Diamond Core Drill Probably the smallest diamond core drills you will find. These drills are hollow all the way through the shaft and are nickel plated with industrial 180 grit diamonds.
Available in 1.5 mm, 1.75 mm, 2 mm, 2.5 mm, 3 mm and 3.5 mm sizes.
$4.75 Ea.
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Crinkled Diamond Core Drills
Diamonds are electroplated on to the crinkled edge of these core drills.  The crinkled edge forms an interrupted surface resulting in faster drilling and less heat. For stone and glass. The hollow center allows for easy removal of core material. * 1/4 - 3/8 inch shanks

Millimeter To Inch Calculator
4 mm Crinkled Core Drill
$6.00
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6 mm Crinkled Core Drill
$9.00
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8 mm Crinkled Core Drill $12.00
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10 mm Crinkled Core Drill $15.00
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12 mm Crinkled Core Drill $16.50
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14 mm Crinkled Core Drill $18.00
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16 mm Crinkled Core Drill
$21.00
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18 mm Crinkled Core Drill
$24.00
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20 mm Crinkled Core Drill
$27.00
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22 mm Crinkled Core Drill
$28.50
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25 mm Crinkled Core Drill
$30.00
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Sintered Diamond Core DrillsSintered Diamond Core Drills
Sintered core drills, just like sintered saw blades have exposed diamond in a metal matrix around the core rim. This means that they last much longer than their electroplated counterparts. Recommended for long term industrial use. *1/2 inch shank.
Outer Diameter Inner Diameter Price .
½ Inch 0.37 Inch $45.00 
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¾ Inch 0.62 Inch $54.00
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1 Inch 0.86 Inch $81.00
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1-½ Inch 1.35 Inch $126.00
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2 Inch 1.80 Inch $150.00
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