Nmlc Hmlc Double Diamond Core Bits
Brand Name:Aoxing
Certification:ISO9001
Model Number:Nmlc Hmlc
Minimum Order Quantity:1 Piece
Place of Origin:Hebei,China
Supply Ability:300 Piece/Month
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Location:
Hengshui Hebei China
Address:
Xiaoliutun Industrial Zone, Jingzhou Town, Jing County, Hengshui City, Hebei Province China
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Nmlc Hmlc Double Diamond Core Bits
1. Impregnated Diamond Bit: Special mental coated diamonds to extend the diamond working life.
2. Matrix Height: 15mm, provide better drilling speed and drilling life.
3. Drill Bit Design: Standard V-ring, Face discharge, Flat face, etc.
4. Bit Series: Choose appropriate bit series to matched rock formation better,
3. Drill Bit Design: Standard V-ring, Face discharge, Flat face, etc.
4. Bit Series: Choose appropriate bit series to matched rock formation better,
MLC/WG/WM Bit
| No. | Std. | Item | OD*ID(mm) | Crown Height | SN. |
| 1 | NMLC | diamond bit | 75.3*52.0 | C6 C9 C12 | K3 K5 K7 K9 |
| 2 | HMLC | diamond bit | 98.8*63.5 | C6 C9 C12 | K3 K5 K7 K9 |
| 1 | AWG | diamond bit | 47.6*30.1 | C6 C9 | K3 K5 K7 K9 |
| 2 | BWG | diamond bit | 59.5*42.0 | C6 C9 | K3 K5 K7 K9 |
| 3 | NWG | diamond bit | 75.3*54.7 | C6 C9 | K3 K5 K7 K9 |
| 4 | NWM | diamond bit | 75.3*54.7 | C6 C9 | K3 K5 K7 K9 |
JP/YP Bit
| No. | Std. | Item | OD*ID(mm) | Crown Height | SN. |
| 1 | YP36 | diamond bit | 36.5*21.5 | C6 C9 | K3 K5 K7 K9 |
| 2 | YP47 | diamond bit | 46.5*29.5 | C6 C9 | K3 K5 K7 K9 |
| 3 | JP75 | diamond bit | 75.3*54.5 | C6 C9 | K3 K5 K7 K9 |
| 4 | JP95 | diamond bit | 95.0*63.0 | C6 C9 | K3 K5 K7 K9 |
| 5 | JP110 | diamond bit | 111.0*79.0 | C6 C9 | K3 K5 K7 K9 |
| 6 | JP130 | diamond bit | 131.0*94.0 | C6 C9 | K3 K5 K7 K9 |
Attention:
1.The difference between the outer diameter of the bit and the reamer should be reasonable, the outer diameter of the reamer
is 0.3-0.5mm larger than the outer diameter of the bit, and the hard formation should not more than 0.3mm.
2.When the new bit reaches the bottom of the hole light pressure (1/3 of the normal pressure),
slow turn (about 100rimin), and then continue drilling with normal parameters after the initial grinding for 10 minutes.
3.When drilling in soft rock layer, the pressure should be reduced appropriately. When drilling in intact, medium-hard orhard
rock formations, the pressure on bit should be appropriately increased; When drilling in fractured, fractured and heterogeneous
rock formations, the pressure on bit should be appropriately reduced, generally by 25%-50%.
How to choose the hardness of bit
Nmlc Hmlc Double Diamond Core Bits
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