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Drilling
& Mining > Natural Diamond Abrasives
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Natural Diamond Abrasives |
| Grade |
Description |
Sizes |
Applications |
Work-piece
Materials |
|
| DEV Crust |
These are specially
selected, blocky, natural diamond particles processed to a fine
spherical shape, having strict size-control and high thermal
stability. This enables it to withstand high impact forces. |
US Mesh:
16/18
to
60/80 |
Sawing & Drilling of
concrete, marble, granite, reinforced concrete & harder stones. |
Concrete, Reinforced
Concrete, Marble, Granite & Hard Stones |
 |
Processed Polished
Drills |
The raw material used for
the production of this grade is a very high quality mined natural
diamond, which are mechanically and chemically treated to produce
spherical drill stones. They are subjected to a special surface
treatment, ensuring effective bond retention. |
200 SPC to
2 CPS
Also in US Mesh 16/18 to 50/60 |
Mining, Drilling & Rotary
Dressing |
Rock, Hard Stones, Earth |
 |
Processed
Unpolished
Drills |
The raw material used for
the production of this grade is a very high quality mined natural
diamond, which are only mechanically treated to produce spherical
drill stones. |
200 SPC to
2 CPS
Also in US Mesh 16/18 to 50/60 |
Mining, Drilling & Rotary
Dressing |
Rock, Hard Stones, Earth |
 |
W.A.
Drills I |
High-quality,
naturally-mined African material whole-stones, round in shape. Also
known in the industry as AAA quality. |
10 SPC
to
100 SPC |
Mining & Drilling |
Rock, Hard Stones, Earth |
 |
W.A.
Drills II |
Medium quality naturally
mined African material, majority of the material is unbroken, fairly
sound, maybe somewhat off-Shape. AA quality |
10 SPC
to
100 SPC |
Mining & Drilling |
Rock, Hard Stones, Earth |
 |
| Carbonados |
Naturally mined Brazilian
carbons, broken to size as required |
As per customer's specs |
Mining & Drilling |
Rock, Hard Stones, Earth |
 |
| Castings |
Natural, blocky, diamond
particles with high-performance. They have high thermal stability.
Ideally used for gauge-protection. |
150 SPC
to
1 CPS |
Mining, Drilling &
Multi-point Dressing |
Rock, Hard Stones, Earth |
 |
Congo
Rounds |
Naturally-mined, spherical
stones that are graded according to uniform sizes and shapes.
Available in various qualities. |
50 SPC
to
7 CPS |
Mining, Drilling &
Dressing |
Rock, Hard Stones, Earth |
 |
| Congo Cubes |
Naturally-mined,
cube-shaped diamonds. Available in various qualities. |
50 SPC
to
7 CPS |
Drilling & Dressing.
Recommended for single-point dressers |
Rock, Hard Stones, Earth |
 |

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