ROSCHEN GROUP
| Supply Ability | 1000000 pcs |
| Packaging Details | wooden box |
| name | diamond core bits |
| item | Impregnated diamond core bit |
| series | diamond impregnated core bit |
| Series no | boart longyear diamond core bit |
| type | ultramatrix diamond core bit |
| model | ultramatrix diamond bits |
| Brand Name | ROSCHEN |
| Model Number | NQ HQ PQ |
| Certification | ISO |
| Place of Origin | CHINA |
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Product Specification
| Supply Ability | 1000000 pcs | Packaging Details | wooden box |
| name | diamond core bits | item | Impregnated diamond core bit |
| series | diamond impregnated core bit | Series no | boart longyear diamond core bit |
| type | ultramatrix diamond core bit | model | ultramatrix diamond bits |
| Brand Name | ROSCHEN | Model Number | NQ HQ PQ |
| Certification | ISO | Place of Origin | CHINA |
| High Light | HQ Impregnated Diamond Core Bit ，NQ Impregnated Diamond Core Bit ，Exploration Impregnated Diamond Core Bit | ||
Impregnated Diamond Core Bit NQ HQ Ultramatrix core bits for Mining, Exploration, Drilling
| Wireline diamond core bits specifications | ||
| SIZE | CORE Ø | HOLE Ø |
| AQTK | 35.5 mm (1-3/8 in) | 48 mm (1-7/8 in) |
| BQ | 36.4 mm (1-7/16 in) | 60 mm (2-3/8 in) |
| BQTK | 40.7 mm (1-5/8 in) | 60 mm (2-3/8 in) |
| NQ | 47.6 mm (1-7/8 in) | 75.7 mm (3 in) |
| NQTK (NQ2") | 50.6 mm (2 in) | 75.7 mm (3 in) |
| NQ3 | 45 mm (1-3/8 in) | 75.7 mm (3 in) |
| HQ | 63.5 mm (2-1/2 in) | 96 mm (3-3/8 in) |
| HQ3 | 61.1 mm (2-3/8 in) | 96 mm (3-3/8 in) |
| PQ3 | 85 mm (3-3/8 in) | 122.6 mm (4-7/8 in) |
| PQ3 | 83 mm (3-1/4 in) | 122.6 mm (4-7/8 in) |
Impregnated Diamond Core Bit Matrxi Bond Hardness:
| Matrix | T1, T2 | T3, T4 | T5 ~ T8 | T9 ~ T11 |
| Section / kind of rocks | Soft rock | Medium hard rock | Hard rock | Very hard & Ultra hard rock |
| Diamond mesh | Large ←→ small | |||
| Matrix Hardness | Hard ←→ Soft | |||
| Impregnated Core Bit Matrix Selection Chart | ||||
| Rock Hardness | Rock Characteristics | Type of Rock | Taesung | |
| DCDMA | MOHS | (Example) | (T-Series) | |
| 7 | 8~9 | Extremely Hard, Unbroken Fine Grained Formation, Non-abrasive | Quartz Chert Jasper |
T-9, 10 |
| 7 | 8 | Very Hard, Unbroken Fine Grained Formation, Non-abrasive | Quartzite Taconites Diories |
T-8, 9 |
| 5 | 7 | Hard, Fine to Medium Grained Unbroken Formation | Granite Andesite Gneiss Schist Basalt |
T-7, 8, 9 |
| 4 | 6 | Moderately Abrasive, Medium to Coarse Grained Formations Solid to Slightly Fractured |
Pegmatite Monzanite Gabro |
T-5, 6, 7 |
| 3 | 5 | Abrasive, Medium to Coarse Grained Formations, Broken |
Quartzite Conglomerate Sandstone Rhyloite |
T-3, 4 |
| 4 | 4~5 | Abrasive, Medium to Coarse Grained Formations, Broken |
Sandstones Pegmatite Taconites Quartzite |
T-2, 3 |
| 1 | 4 | Extremely Abrasive, Medium to Coarse Grained Highly Fractured, Gaulty and Sheared Ground |
Sandstones Quartzite Limestone |
T-1, 2 |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Seller
Year Established:
1921
Total Annual:
5000-2000000
Employee Number:
100~500
Ecer Certification：
Verified Supplier
ROSCHEN GROUP ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mine... ROSCHEN GROUP ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mine...
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