Audited Supplier
NMLC Surface Set Diamond Core Bit drilling bit
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Our diamond core bits are the most commonly useful bits in the mineral exploration industry, as they have the widest range of application. The carefully selected grades of high quality synthetic diamond are distributed in the depth of impregnated bit's matrix series. The matrix layer of the "DIYFIA" contains a uniform distribution of these crystal that are embedded in a powdered metal bond.
Our Company pas atention to produce quality and abides to credit, and also does the best to provide the quality produdcts and excellent service to customer. To build good after-sale service system, we draw up the Quality Guarantee according to the industrial standards combining field experience.
| Diamond Drill Bits | 1. Size, and / or technical parameters(matrix etc.) are different from the requirements of clients' purchase order.
| Replace |
2. Thread can not fit clients' 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 caused by manufacturer.
| Raplace,and each item quantity does not exceed 3pieces. | |
7. Bit life is obvious short caused by manufacturer.
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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 Qulity Guarantee | |
9. Short bit life or no penetration caused by drilling machine, drilling techniques or parameters.
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10. Properly worn and the matrix is finished.
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11. Thread damaged or distorted due to improper operation.
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12. Steel body cracked in drill.
| Replace or return | |
| Reaming shell | 1. Thread is not correct.
| Replace or return. |
2. Steel body creacked in drill.
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3. PCD Strips falling.
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Size Available:
Diamond Drill Bit / Reaming Shell Specification | |||||||
Item | Bit | Reamer | |||||
Single Pipe | Double Pipe | Wire Pipe | Single Pipe | Double Pipe | Wire Line | ||
Specification | 36mm | 36 mm |
| 36mm | 36 mm |
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46mm | 46 mm |
| 46mm | 46 mm |
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56mm | 56 mm |
| 56mm | 56 mm |
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59mm | 59 mm | 59mm | 59mm | 59 mm | 59mm | ||
75mm | 75 mm | 75mm | 75mm | 75 mm | 75mm | ||
| 76 mm |
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| 76 mm |
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77mm | 77 mm | 77mm | 77mm | 77 mm | 77mm | ||
91mm | 91 mm | 91mm | 91mm | 91 mm | 91mm | ||
94mm | 94 mm |
| 94mm | 94 mm |
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| 101 mm |
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| 101 mm |
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110mm | 110 mm |
| 110mm | 110 mm |
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130mm |
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| 130mm |
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150mm |
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| 150mm |
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170mm |
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| 170mm |
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200mm |
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| 200mm |
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220mm |
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| 220mm |
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225mm |
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| 225mm |
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250mm |
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| 250mm |
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275mm |
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| 275mm |
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325mm |
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| 325mm |
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| BQ |
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| BQ | ||
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| NQ |
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| NQ | ||
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| HQ |
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| HQ | ||
Packing | Standard Package Carton |
| Minimum Oder | 5Pcs | |||
Delivery Details About 5 working days up on your order quantity |
| Origin | Hunan China | ||||
ISO certificate ISO9001 2000 | |||||||
Specification Available, Others can be OEM! | |||||||
All Chinese size can be provided, and the special size can be ordered.
