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Pro-Sintered Diamond
Drill Bits
Heavy-Duty Bits for Tile & Stone
Specifically Designed for
Heavy-Duty Drilling In
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Porcelain Tile |
Brick |
Concrete |
Marble |
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Ceramic Tile |
Block |
Sandstone |
Granite |
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Masonry |
Cement |
Limestone |
Quartz |
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Not recommended for
glass.
Diamond Drill Bit Sizes from 1/8" to 5" |
DiamondSure
Pro-Sintered Diamond Bits
DiamondSure brand Pro-Sintered
Diamond Drill Bits are also know as Sintered Diamond Core
Drill Bits or Sintered Diamond Hole Saws. These
are professional quality, heavy-duty drill bits designed for
use on ceramic tile, porcelain tile, limestone, sandstone, marble,
granite, quartz and other stone, plus bricks, masonry, concrete
block, and concrete. Water must be used for lubrication.
Sintered diamond drill bits are
not very effective for glass type materials or softer stone materials
such as slate and are not recommended for use on glass
or slate. Bonded diamond bits are much more effective
for those types of materials. See DiamondSure
Bonded Diamond Drill Bits |
Tip view
shows the 3mm thick
sintered diamond segments on
tip of bit of the 2" size bit. |
Sintered diamond drill bits have
the diamonds embedded into the metal of the drill bit tip rather
than merely "bonded" to the tip as with bonded diamond
drill bits. As the tip wears down on a sintered diamond
drill bit, new diamonds come to the surface. The tip sidewall
of DiamondSure Pro-Sintered Diamond Drill Bits is 2mm thick on
the smaller size bits (1" and below) and increases to 2.5mm
to 3mm thick on larger size bits.
Sintered diamond drill bits are
heavy-duty bits designed for long life. Generally, sintered
bits will have a long life of 20 to 30 or more times the life
of a bonded diamond drill bit, if used properly. The heavy-duty
design provides long life when drilling in very hard materials
such as porcelain tile, granite and hard stones. However,
there are some disadvantages. Sintered bits are more costly
than bonded diamond bits and the thick heavy-duty tip causes
them to drill more slowly than thin-wall bonded diamond drill
bits. However, for continued drilling in hard mateirals,
the higher cost of the Sintered bits is well worth bcause of
the longer life.
Diamond drill bits are easy to
use, but there are many drilling techniques that are different
from standard steel-bit drilling. Diamond drill bit usage
can also vary depending upon the diamond drill bit type and the
specific manufacturer. To assist our customers, we have
compiled a detailed Drilling Tips &
Techniques section. |
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DiamondSure
Pro-Sintered Diamond Drill Bits
Recommended Drill Speeds
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DiamondSure
- Sintered Bits |
Recommended
Drill Speed (rpm) |
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Material Bit Size --> |
1/2" |
1" |
2" |
3" |
4" |
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Glass & Fiberglass |
Not Recommended |
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Slate or soft stone |
Not Recommended |
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Limestone & Marble Stone |
1600 |
800 |
400 |
300 |
200 |
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Concrete & Masonry |
1600 |
800 |
400 |
300 |
200 |
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Ceramic Wall Tile |
1600 |
800 |
400 |
300 |
200 |
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Porcelain Wall Tile |
1200 |
600 |
300 |
225 |
150 |
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Porcelain Floor Tile |
1200 |
600 |
300 |
225 |
150 |
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Granite Stone |
1200 |
600 |
300 |
225 |
150 |
Designed for long-term use in materials
up to 1-3/4" thick
(Not for
use with Hammer Drills) |
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Because diamond drill bits are
used to drill in extremely hard materials, it is very important
to use proper drill pressure to keep from overheating the drill
bit. Excessive pressure is merely converted to heat energy
and can burn up a bit or cause heat fractures in the material
being drilled.
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DiamondSure
Pro-Sintered Diamond Drill Bits
Recommended Drill Head Pressure
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Material |
Drill
Head Pressure - Lbs* |
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Material Bit Size --> |
to
1/2" |
1/2"
- 1" |
1"
- 2" |
2"
- 3" |
3"
- 4" |
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Glass & Fiberglass |
Not Recommended |
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Slate or soft stone |
Not Recommended |
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Limestone & Marble Stone |
12 to 18 |
18 to 26 |
24 to 36 |
32 to 50 |
45 to 60 |
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Porcelain Wall Tile |
15 to 24 |
20 to 30 |
30 to 45 |
40 to 60 |
50 to 75 |
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Porcelain Floor Tile |
20 to 30 |
30 to 45 |
40 to 60 |
50 to 75 |
60 to 95 |
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Granite & Quartz Stone |
20 to 30 |
30 to 45 |
40 to 60 |
50 to 75 |
60 to 95 |
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* WARNING: |
Drill press arm gears
leverage hand pressure by a factor of 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. |
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Water Swivel
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Pro-Sintered
Drill Bits - Water Lubrication
Water must be used for lubrication.
There are many ways to lubricate the drilling, as explained in
our Drilling Tips
& Techniques page. One of the most effective methods
and the one used by most professionals, is to use a Water Swivel,
also know as a Water Feed or a Water Feed System.
All DiamondSure Pro-Sintered
Drill Bits have a shaft size of 10mm. Our water swivel
section includes a swivel with a 10mm Collet which is designed
for use with drill bits that have 10mm shafts, such as the DiamondSure
Pro-Sintered bits. See:
Water Swivel Devices
IMPORTANT
Diamond drill bits require
the use of proper lubrication, correct
drill speed and proper pressure. Drilling methods and techniques
vary significantly depending upon the material being drilled.
Please See: Drilling
Tips & Techniques <Click Here> |
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Sintered
Diamond Drill Bit
with optional center pilot bit. |
Starting a Hole
Saw / Core Drill and
Using A Center Pilot Starter Bit
Starting a core drill / hole
saw style drill bit can sometimes be difficult. Our Drilling Tips &
Techniques section discusses the various starting methods.
The Pro-Sintered Drill Bits over 1" in size are also designed
to accept a Center Pilot Bit. The optional Pilot Bit is
available below.
If a Center Pilot Bit is used
to start the drill bit, it is important to remove the pilot bit
as soon as possible after the diamond drill bit has started drilling.
The carbide pilot bits cause the diamond bit to drill very slowly
and the pilot bit can wear out quickly when drilling in very
hard materials. |
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Half-Circle
shaft profile
shown in lower left of picture. |
All Purpose
Diamond File
General Purpose File
With 'Half-Circle' Shaft Profile
Diamond coated file is 7"
long with "half-circle" shaft. A perfect general
purpose file for use on flat, rounded or curved edges.
Use on glass, stained glass, ceramic, marble, stone, fiberglass
or plastic. Blade of file is 3/8" wide, tapering to
a point. Perfect for filing off sharp edges, reshaping
cuts or reaming drilled holes. Handle is vinyl coated for
safety and comfort.
DF-151 7"
Diamond 'Half-Circle' File ........... ea 12.95 / 3+ 11.63
/ 8+ 9.29
Sorry - Out of Stock
More
Diamond Files: <Click
Here>
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