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Core and Drilling Bits
Sometimes you just need to put a hole in the glass!  There are two ways to go about this.  You can use a drilling bit to make a hole or you can use a core bit to remove a core of glass and leave a hole.  The difference is that a drill bit will create the hole size that it advertises, but the core bit will create a circle of glass in the size that it advertizes.  The hole left in the glass from a core bit drilling will be slightly larger than the core bit size.  Both methods require it be drilled with water!

 GAI Drilling SpeedbitsGAI SpeedBits

GAI speedbits have a carbide tip designed to drill through hard surfaces.  Not only do carbide tips last longer, but it will keep your bit from "walking" as you begin to drill.  Works best in a standard drill and can drill in glass, granite, marble, quartz, cermaic and porcelain tile. The size shown is the size of the hole that tip will create.  Be sure to use water for lubrication. 

IMPORTANT:
Diamond drill bits require the use of proper lubrication, correct drill speed and proper pressure.


GAI SpeedBits Part #  Description Price
# 1900  1/8" (3mm) Speedbit
# 1900    $ 7.95
# 1899  3/16" (4.7mm) Speedbit
# 1899    $ 7.95  $ 6.75
# 1901  1/4" (6mm) Speedbit
# 1901    $ 7.95
# 1902  3/8" (9.5mm) Speedbit
# 1902    $ 8.95

 

 Glastar Drilling BitsGlastar Drill Bits

These unique diamond-coated drill bits will grind clean holes in glass more effectively than any other drill bits on the market. Simple to use and fit any portable electric drill.

Part #  Description Price
# 4732  1/4" Diamond Glass Drill Bit
# 4733  3/8" Diamond Glass Drill Bit

Glastar Drill Bits

 


Gryphon Diamond Core Drill Bits Gryphon Core Bits

Core 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 drill and a smaller "plug" or "core" which comes from the center.  Just add water for lubrication.  All diamond core drills have shaft sizes of 3/8" (10 mm) or less, for use in most standard drills and drill presses.

IMPORTANT:
Diamond drill bits require the use of proper lubrication, correct drill speed and proper pressure.

 

Part #    Description Price
# 8360 Gryphon Core Bit  1/8" (4mm) Diamond Core Bit
# 8360    $ 10.95
# 8361 gryphon core bit  1/4" (6mm) Diamond Core Bit
# 8361    $ 13.95
# 8362 gryphon core bit  1/2" (12mm) Diamond Core Bit
# 8362    $ 16.50
# 8364 gryphon core bit  3/4" (18mm) Diamond Core Bit
# 8364    $ 18.95
# 8365 gryphon core bit  1" (25mm) Diamond Core Bit
# 8365    $ 24.95
# 8366 gryphon core bit  1.25" (32mm) Diamond Core Bit
# 8366    $ 31.50
# 8367 gryphon core bit  1.5" (40mm) Diamond Core Bit
# 8367    $ 40.95
# 8368 gryphon core bit  2" (50mm) Diamond Core Bit
# 8368    $ 50.50

 

Aanraku Twofer Core Drill Bits

Twofers Core Bit
# 0410    $ 8.99

Enkay Diamond Core Drill Bits

For Drilling holes in Glass, Ceramic Tile, Stone, Fiberglass or Plastic.  All bits have 1/8" shank for use in most standard drills and drill presses.

Enkay Core Bit Enkay Core Bit Enkay Core Bit
5/16" Diamond Core Bit
# 371-5/16C    $ 5.95
 3/8" Diamond Core Bit
# 371-3/8C    $ 6.95
 7/16" Diamond Core Bit
# 371-7/16C    $ 7.95