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| Categories | Diamond Core Drill Bit |
|---|---|
| Brand Name: | ShiFeng |
| Model Number: | Couple tube 94 |
| Place of Origin: | WUXI |
| MOQ: | 10 Piece/Pieces |
| Payment Terms: | T/T, Western Union |
| Supply Ability: | 200 Piece/Pieces per Week |
| Delivery Time: | 15 work days |
| Packaging Details: | packed in box |
| Material: | Diamond and Metal |
| Diameter: | 94mm |
| Weight: | 1.7kg |
| HRC: | 5-50 |
| Color: | Customized |
5 Inch 6 Inch 1 Inch Diamond Core Drill Bits For Granite Impregnated Type
We specialized in manufacturing Drill Rods, Casings, Core barrels, Diamond bits, Reaming shells, Drill rigs, PDC bits and other drilling tools & equipment for geological exploration, mining, geotechnical, dam grouting, water well and horizontal directional drilling.
We can provide
1. Test Report & MTC
2. Ready stock for normal sizes
3. Customized sizes welcomed
4. One stop service
| Bit type | Description | Set type of Diamond | Remarks |
| Wire-line | dia. 56, 59, 75 and 95, BQ, NQ, HQ | Impregnated | |
| Couple tube | dia.56, 59, 75, 76, 91, 110, 130 and 150 | Impregnated | |
| Single tube | dia.46,56, 59,75, 91, 110, 130, 150, 171, 223 and 300 | Impregnated |
| Impregnated Diamond Bits | ||
| Size | GEOTEC bits are available in all standard drilling sizes. Also, non-standard sized bits can be produced according to requirements from clients. | |
| Crown Height | GEOTEC offers crown impreg depths of 9mm, 12mm, 16mm and 25mm. The taller crown heights provide improved bit stability and reduced vibrations, enhancing bit life and performance. | |
| Waterways | Various waterways are available for diamond impregnated bits. Differing waterways allow for better flushing in various ground conditions and drilling systems. | |
| Threads | Standard threads as well as regional thread types required by clients are available. | |
| Compatibility | Our diamond bits and reaming shells are designed to be compatible
with all standard core barrels from other suppliers. | |
| Matrix | Impregnated bits matrices can be selected according to the chart below. | |
| Series number | Rock |
| 11 | magnetit, metamorphschist, gneiss, granite, basalt, gabbro, rhyolite, diorite, conglomerate, taconite. |
| 10 | magnetit, metamorphschist, gneiss, granite, basalt, gabbro, rhyolite, diorite, conglomerate, taconite. |
| 9/10 | andesite, pegmatite, hematite, magnetit, metamorph schist, gneiss, granite, basalt, gabbro, rhyolite, diorite. |
| 9 | andesite, pegmatite, hematite, magnetit, metamorph schist, gneiss, granite, basalt, gabbro, rhyolite, diorite. |
| 8 | dolomite, marble, peridotite, andesite, pegmatite, hematite, magnetit, metamorph schist, gneiss, granite, basalt. |
| 7/8 | dolomitic limestone, schist, serpentine, hard & mica schist, siliceous limestone, dolomite, marble, peridotite, andesite, pegmatite, hematite. |
| 7 | dolomitic limestone, schist, serpentine, hard & mica schist siliceous limestone, dolomite, marble, peridotite, andesite, pegmatite, hematite. |
| 6/7 | med-hard limestone, hard limestone, hard shale, dolomitic limestone, schist, serpentine, hard & mica schist, siliceous limestone, dolomite, marble, peridotite. |
| 6 | med-hard limestone, hard limestone, hard shale, dolomitic limestone, schist, serpentine, hard & mica schist, siliceous limestone, dolomite, marble, peridotite. |
| 5 | claystone, sandy limestone, soft schist, med-hard sandstone, siltstone, alluvial deposits, calcitic limestone, med-hard limestone, hard limestone, hard shale, dolomitic limestone. |
| 4 | claystone, sandy limestone, soft schist, med-hard sandstone, siltstone, alluvial deposits, calcitic limestone, med-hard limestone, hard limestone, hard shale, dolomitic limestone. |
| 3 | soft shale, chalk, marly shale, med-hard limestone, salt, frozen soil&ice, soft sandstone, sandy shale, claystone, sandy limestone, soft schist, med-hard sandstone, siltstone, alluvial deposits, calcitic limestone. |
| 2 | soft shale, chalk, marly shale, med-hard limestone, salt, frozen soil&ice, soft sandstone, sandyshale, claystone, sandy limestone, soft schist, med-hard sandstone, siltstone, alluvial deposits, calcitic limestone. |
| 1 | sand, soft shale, chalk, marly shale, med-hard limestone, salt, frozen soil&ice, soft sandstone, sandy shale, claystone, sandy limestone, soft schist. |
Products | Problem | Settlement |
Diamond core bit | 1: size or technical parameters (matrix etc.) are different from
the requirement of customers’ order | Replace |
2: thread can not fit customers’ barrel | Repair or replace | |
3: break down a piece from matrix, and the volume of the piece
exceed 2mm*2mm*2mm, and such break is not caused by drilling | Replace | |
4: matrix falling not caused by drilling | Replace or return | |
5: groove on matrix caused by manufacturer | Replace or return | |
6: drilling speed is obvious slower than congener products cause by
manufacturer | Replace, and each item quantity does not exceed 3 pieces | |
7: bit life is obvious short cause by manufacturer | ||
8: breaking down of matrix, falling matrix, groove and short bit
life caused by operating reasons- drill rod sticking, premature
failure of the bit crown and hole bottom not to be cleaned | Be excluded from quality guarantee | |
9: short bit life or no penetration caused by drilling machine,
drilling techniques or parameters | ||
10: properly worn and the matrix is finished | ||
11: thread damaged or distorted due to improper operation | ||
12: Steel body cracked in drill | ||
Reaming Shell | 1: thread is not correct | Repair or return |
2: steel body cracked in drill | Repair or return | |
3: PCD strips falling | Repair or return |
|
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NQ Reaming Shell
