Ads by Google
Diamond reamer has various dimension for different drilling processes, including but not limited to diamond core drill, wire-line core drill, specifications as shown below:
Hot-Pressed Diamond Drill Bit matrix and Rock Formation Comparison Form
Earth Property | Rock | Bit Matrix Type |
Soft | Shale, soft sand, peat, mudstone, marl, etc | Flat Bottomed Type, Arc-shaped Type, Steps Shaped Type(PDC coring or non-coring) |
Medium | Limestone, marble, dolomite, rhyolite, limonite, etc | Steps Shaped Type, Concentric Circles Type, Canine Tooth Shaped Type, Wheeling Gear Shaped Type |
Hard | Basalt, gneiss, granodiorite, hornfels, pegmatite, etc | |
Solid Hard | Hard granite, quartzite, hard slate, chert, basalt, etc |
Hot-Pressed Diamond Drill Bit Hardness & Rock Drillability Grade Form
Rock Drillability Grade | Bit Hardness(HRC) | Rock Classification |
1-4 | 15, 20, 22-25 | Silty Mudstone, Carbonaceous Mudstone, Siltstone, Medium-Grained Sand Stone, Trhough Amphibolite, Lamprophyre, etc |
5 | 20, 22-25, 26-28 | Silicified Siltstone, Talc Through Amphibolite, Olive Marble, White Marble, Quartz Diorite Porphyry, Black Schist, Diopside Marble Rock, Marble etc. |
6 | 20, 22-25, 26-28 | Black hornblende Plagioclase Gneiss, White Plagioclase Gneiss, Quartz, Dolomite Marble, Black Marble, Mica, Dolomite, Alteration Angle Long Glittering Rocks, Amphibolite Granulite, Amphibolite, Biotite Quartz Schist, Angular Rock, Garnet Diopside Skarn, Biotite Dolomite Marble, etc. |
7 | 20, 22-25, 26-28 | White Plagioclase Gneiss, Quartz and Dolomite Marble, Diopside Petrochemical Diorite, Mixed Carbide Powder Rocks, Biotite Hornblende Anorthosite, Pyroxenite through, dolomite marble, altered quartz diorite porphyry, quartz diorite, quartz biotite schist. |
8 | 30-32, 33-35 | Granite,Skarn Diorite, Garnet Skarn, Quartz Diorite Porphyry, Quartz Amphibolite, Biotite Amphibolite Rocks, Mixed Pegmatite, Biotite Granite, Plagioclase Diorite, Mixed Gnesiss, Tuff, Rock and other mixed Light Particles. |
9 | 30-32, 33-35 | Carbide Powder Mixed Rock, Granite, Plagioclase Rock, Mixed Diorite, K-feldspar Pegmatite, Peridotite, Plagioclase Migmatities, Diorite, Quartz Diorite, Porphyritic Granite. |
10 | 30-32, 33-35 | Silicified Marble Rocks, Skarn, Mixed-Plagioclase Gneiss, Albite Porphyry, Feldspar Pegmatite, Amphibolite Rocks, Felsic Migmatitic Amphibolite, Anorthosite, Granite, Quartzite Siliceous Tuff Lava Gravel. |
11 | 5-8, 8-10, 10, 15, 22-25 | Tuff, Tuff Fused Quartz Chert, Dacite, etc |
12 | 5-8, 8-10, 10-15, 22-25 | Quartz Chert, Chalcedony, Melting Tuff, Pure Quartzite, etc |