High Penetration Rates, Long Bit Life, made by profesional geo-equipment and tooling manufactuer
Port: any port
Minimum Order Quantity: 10 Piece/Pieces
Supply Ability: 10000 Piece/Pieces per Month
Payment Terms: T/T,Western Union
Contact Supplier
Packaging Detail: sponge bag, wooden case or as per customer's request
Delivery Detail: 2-4 weeks
diamond drill bits 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 |
Model No.: HA217
Features: high manganese steel tricone rock bits
1.Specification:6 1/2''165.1mm
2.IADC:217
4.WOB:0.50~1.20 KN/mm
5.sealing:rubber ring
Model No.: SKH137
Features: 1.material:high manganese steel
2.color:golden
3.rich experience in drill bit
4. High quality, low price
Model No.: SKH537
Features: 1.material:tungsten carbide
2.color:green
3.rich experience in drill bit
4. High quality, low price
Model No.: SKH437
Features: 1.specification:17 1/2'' 444.5mm
2.material:tungsten carbide
3Types of Sealing:Metal rings
4Jounmal beanngs
5.color:golden
Model No.: HJ437
Features: 1.Specification:9 7/8'' 250.8mm
2.IADC:437
3.material:tungsten carbide
4.WOB:0.35~0.90 KN/mm
5.sealing:metal or rubber ring
Model No.: SKH437
Features: 1.specification:8 5/8'' 219.1mm
2.material:tungsten carbide
3.colour:golden
4.WOB:0.35-0.95 KN/mm
5.IADC:437
Model No.: SKH136
Features: 1.Strong resistance to abrasion and impact resistance.
2.stocks adequate, time delivery
3.rich experience in drill bit
Model No.: JF
Features: Diamond back bolt drill
Model No.: 114,117,127,437,517,617,637
Features: 1 With API and ISO9001
2 High quality and competitive price
3 Various of model and dimension available
4 Fast drilling rate
Model No.: DNTG
Features: 1. T.C.T. core drill bit,speical-purpose carbide tips
2.multi-cut geometry for ply-cutting
3.lower friction.
4.Reduced dama
Model No.: DNTG
Features: drill bit
1.geometry for ply-cutting and lower friction.
2.Reduced damage of tips
3. improved performance of ships removal.
Model No.: DNTG
Features: 1.speical-purpose carbide tips
2. multi-cut geometry for ply-cutting and lower friction.
3. Reduced damage of