Page 33 - Diamond Products Catalog

COMPETITIVE CROSS REFERENCE
Hardness
MOHS Scale
Characteristic Rocks
Alpha BitTM Series
UMXTM Bits
Atlas Copco
Fordia
Hayden
Dimatec
Soft
1
Soapstone
SSUMX
Soft
1.5
Coal
SSUMX
Soft
2
Rock salt
SSUMX
Soft
2.5
Amber
SSUMX
Soft
3
Marble, Shale, Kimberlite
02
SSUMX, 07UMX
3AC
Hero 3
H3
D3
Soft
3.5
Dolomite
02
SSUMX, 07UMX
3AC
Hero 3
H3
D3
Soft
4
Slate
02, 06ABR, 07ABR
SSUMX, 07UMX, 09 UMX
7AC
Hero 7
KS5
HR7
Medium Hard
4.5
Sandstone
02, 06ABR, 07ABR
SSUMX, 07UMX, 09UMX
7AC
Hero 7
H6, KS5
HR7
Medium Hard
5
Pegmatite, Pumice
06ABR, 07ABR
SSUMX, 07UMX, 09UMX
7AC
Hero 7
H9, KS5
HR7
Medium Hard
Gabbro, Norite, Obsidian
06ABR, 07ABR
SSUMX, 07UMX, 09UMX
7AC
9-11, Hero 7
H9,KS5
HR7
Medium Hard
5.5
Basalt
06ABR, 07ABR
SSUMX, 07UMX, 09UMX
11AC
9-11, Hero 7
H9
HR7
Medium Hard
6
Diorite, Magnetite, Hematite
06ABR, 07ABR, 08ABR, 08COM
SSUMX, 07UMX, 09 UMX
11AC
9-11, Hero 9
H9, H11
HR10
Hard
6.5
Granite
06ABR, 07ABR, 08ABR, 08COM
SSUMX, 07UMX, 09UMX
11AC
9-11, Hero 9
H9, H11
HR10
Hard
Rhyolite
07ABR, 08ABR, 08COM
07UMX, 09UMX
11AC
9-11, Hero 9
H9, H11
HR10
Hard
7
Quartzite, Gneiss
08ABR, 08COM, 09, 09 COM
07UMX, 09UMX, 10UMX
11AC, 13AC
9-11, Hero 11
H11
HR10, HR12
Hard
7.5
Chert
08ABR, 08COM, 09, 09 COM
09UMX, 10UMX
13AC
11-14, Hero 11
H12-14
HR12
Hard
8
Taconite
09, 09COM, 10COM
09UMX, 10UMX
13AC
11-14
H12-14, H14-15
HR12, HR13
Ultra Hard
8.5
Jaspilite, Banded Iron formation
09, 09COM, 10COM
09UMX, 10UMX
15AC
11-14
H14-15
HR13
Ultra Hard
9
Sapphire
10COM
10UMX
15AC
11-14
H14-15
HR13
* Represents average hardness, specific formation can vary plus or minus 1 Mohs. © Copyright 2014 Boart Longyear. All rights reserved.
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