professional factory for Diamond Core Drill - Core Drill Bit – Sinovo Detail:
Technical Parameters
| Products | Problems | Settlement |
| Diamond core bit | 1. Size, and/ or technical parameters (matrix etc.) are different Replace from the requirements of client’s 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 x 2mm x2mm, and such break is not Replace 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. | Replace, and each item quantity does not exceed 3 pieces. |
|
| 7. Bit life is obvious short caused 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 and abrasion caused by drilling machine, drilling techniques or parameters. | ||
| 10. Properly worn and the matrix is finished. | ||
| 11. Thread damaged and distortion made by operator. | ||
| 12. Body crack in drill. | Replace or return |
Dimensions of core bits
| A-Gauge Core Bits | ||||||||||
| Size | Outside diameter | Inside diameter | Availability | |||||||
| inch | mm | inch | mm | IMP. | S.S. | P.C. | PDC | TSP | E.P. | |
| WLA | 1.880/1.870 | 47.75/47.50 | 1.607/1.057 | 27.10/26.85 | Yes | Yes | Yes | Yes | Yes | Yes |
| WLA-RSG | 1.895/1.885 | 48.13/47.88 | 1.067/1.057 | 27.10/26.85 | Yes | Yes | Yes | Yes | Yes | Yes |
| AWG, AX | 1.880/1.870 | 47.75/47.50 | 1.190/1.180 | 30.23/29.97 | Yes | Yes | Yes | Yes | Yes | Yes |
| AWM | 1.880/1.870 | 47.75/47.50 | 1.190/1.180 | 30.23/29.97 | Yes | Yes | Yes | Yes | Yes | Yes |
| AWT | 1.880/1.870 | 47.75/47.50 | 1.286/1.276 | 32.66/32.41 | Yes | Yes | Yes | Yes | Yes | Yes |
| LTK48 | 1.880/1.870 | 47.75/47.50 | 1.394/1.384 | 35.40/35.15 | Yes | Yes | Yes | Yes | Yes | Yes |
| B-Gauge Core Bits | ||||||||||
| WLB | 2.350/2.340 | 59.69/59.44 | 1.438/1.428 | 36.52/36.27 | Yes | Yes | Yes | Yes | Yes | Yes |
| WLB-RSG | 2.365/2.355 | 60.07/59.82 | 1.438/1.428 | 36.52/36.27 | Yes | Yes | Yes | Yes | Yes | Yes |
| WLB-2.400 | 2.045/2.395 | 61.09/60.83 | 1.438/1.428 | 36.52/36.27 | Yes | Yes | Yes | Yes | Yes | Yes |
| WLB3 | 2.350/2.340 | 59.69/59.44 | 1.325/1.315 | 33.65/33.40 | Yes | Yes | Yes | Yes | Yes | Yes |
| BWG, BX | 2.350/2.340 | 59.69/59.44 | 1.660/1.650 | 42.16/41.91 | Yes | Yes | Yes | Yes | Yes | Yes |
| BWM | 2.350/2.340 | 59.69/59.44 | 1.660/1.650 | 42.16/41.91 | Yes | Yes | Yes | Yes | Yes | Yes |
| BWT | 2.350/2.340 | 59.69/59.44 | 1.755/1.745 | 44.58/44.32 | Yes | Yes | Yes | Yes | Yes | Yes |
| LTK60 | 2.350/2.340 | 59.69/59.44 | 1.742/1.732 | 44.25/44.00 | Yes | Yes | Yes | Yes | Yes | Yes |
| TBW | 2.350/2.340 | 59.69/59.44 | 1.785/1.775 | 45.34/45.09 | Yes | Yes | Yes | Yes | Yes | Yes |
| N-Gauge Core Bits | ||||||||||
| WLN | 2.970/2.960 | 75.44/75.19 | 1.880/1.870 | 47.75/47.50 | Yes | Yes | Yes | Yes | Yes | Yes |
| WLN-RSG | 2.985/2.975 | 75.82/75.57 | 1.880/1.870 | 47.75/47.50 | Yes | Yes | Yes | Yes | Yes | Yes |
| WLN-3.032 | 3.037/3.027 | 77.14/76.89 | 1.880/1.870 | 47.75/47.50 | Yes | Yes | Yes | Yes | Yes | Yes |
| WLN2 | 2.970/2.960 | 75.44/75.19 | 2.000/1.990 | 50.80/50.55 | Yes | Yes | Yes | Yes | Yes | Yes |
| WLN2-RSG | 2.985/2.975 | 75.82/75.57 | 2.000/1.990 | 50.80/50.55 | Yes | Yes | Yes | Yes | Yes | Yes |
| WLN3, NWLTT | 2.970/2.960 | 75.44/75.19 | 1.780/1.770 | 45.21/44.96 | Yes | Yes | Yes | Yes | Yes | Yes |
| WLN3-RSG | 2.985/2.975 | 75.82/75.57 | 1.780/1.770 | 45.21/44.96 | Yes | Yes | Yes | Yes | Yes | Yes |
| WLN3-3.032 | 3.037/3.027 | 77.14/76.89 | 1.780/1.770 | 45.21/44.96 | Yes | Yes | Yes | Yes | Yes | Yes |
| NMLC | 2.970/2.960 | 75.44/75.19 | 2.052/2.042 | 52.12/51.87 | Yes | Yes | Yes | Yes | Yes | Yes |
| NWG, NX | 2.970/2.960 | 75.44/75.19 | 2.160/2.150 | 54.86/54.61 | Yes | Yes | Yes | Yes | Yes | Yes |
| NWM | 2.970/2.960 | 75.44/75.19 | 2.160/2.150 | 54.86/54.61 | Yes | Yes | Yes | Yes | Yes | Yes |
| NWT | 2.970/2.960 | 75.44/75.19 | 2.318/2.308 | 58.87/58.62 | Yes | Yes | Yes | Yes | Yes | Yes |
| TNW | 2.970/2.960 | 75.44/75.19 | 2.394/2.384 | 60.80/60.55 | Yes | Yes | Yes | Yes | Yes | Yes |
| H-Gauge Core Bits | ||||||||||
| WLH | 3.770/3.755 | 95.76/95.38 | 2.505/2.495 | 63.63/63.38 | Yes | Yes | Yes | Yes | Yes | Yes |
| WLH-RSG | 3.790/3.755 | 96.27/95.89 | 2.505/2.495 | 63.63/63.38 | Yes | Yes | Yes | Yes | Yes | Yes |
| WLH-3.830 | 3.840/3.825 | 97.54/97.16 | 2.505/2.495 | 63.63/63.38 | Yes | Yes | Yes | Yes | Yes | Yes |
| WLH-3.895 | 3.897/3.882 | 98.98/98.60 | 2.505/2.495 | 63.63/63.38 | Yes | Yes | Yes | Yes | Yes | Yes |
| WLH3, WLHTT | 3.770/3.755 | 95.76/95.38 | 2.411/2.401 | 61.24/60.99 | Yes | Yes | Yes | Yes | Yes | Yes |
| WLH3-RSG | 3.790/3.755 | 96.27/95.89 | 2.411/2.401 | 61,24/60.99 | Yes | Yes | Yes | Yes | Yes | Yes |
| WLH3-3.830 | 3.840/3.825 | 97.54/97.16 | 2.411/2.401 | 61.24/60.99 | Yes | Yes | Yes | Yes | Yes | Yes |
| WLH3-3.895 | 3.897/3.882 | 98.98/98.60 | 2.411/2.401 | 61.24/60.99 | Yes | Yes | Yes | Yes | Yes | Yes |
| HMLC | 3.897/3.882 | 98.98/98.60 | 2.505/2.495 | 63.63/63.38 | Yes | Yes | Yes | Yes | Yes | Yes |
| HWF-Long | 3.912/3.897 | 99.36/98.98 | 3.005/2.995 | 76.33/76.08 | Yes | Yes | Yes | Yes | Yes | Yes |
| HWF-Short | 3.897/3.882 | 98.98/98.60 | 3.005/2.995 | 76.33/76.08 | Yes | Yes | Yes | Yes | Yes | Yes |
| HWG, HX | 3.897/3.882 | 98.98/98.60 | 3.005/2.995 | 76.33/76.08 | Yes | Yes | Yes | Yes | Yes | Yes |
| HWM | 3.897/3.882 | 98.98/98.60 | 3.005/2.995 | 76.33/76.08 | Yes | Yes | Yes | Yes | Yes | Yes |
| HWT | 3.897/3.882 | 98.98/98.60 | 3.192/3.182 | 81.08/80.82 | Yes | Yes | Yes | Yes | Yes | Yes |
| P-Gauge Core Bits | ||||||||||
| WLP | 4.815/4.795 | 122.30/121.8 | 3.350/3.340 | 85.09/84.84 | Yes | Yes | Yes | Yes | Yes | Yes |
| WLP3 | 4.815/4.795 | 122.30/121.8 | 3.275/3.265 | 83.18/82.93 | Yes | Yes | Yes | Yes | Yes | Yes |
| PWF-Long | 4.755/4.740 | 120.78/120.4 | 3.635/3.620 | 92.33/91.95 | Yes | Yes | Yes | Yes | Yes | Yes |
| PWF Short | 4.735/4.715 | 120.27/119.7 | 3.635/3.620 | 92.33/91.95 | Yes | Yes | Yes | Yes | Yes | Yes |
| S-Gauge Core Bits | ||||||||||
| SWF-Long | 5.755/5.740 | 146.18/145.8 | 4.447/4.432 | 112.95/112.5 | Yes | Yes | Yes | Yes | Yes | Yes |
| SWF-short | 5.735/5.715 | 145.67/145.1 | 4.447/4.432 | 112.95/112.5 | Yes | Yes | Yes | Yes | Yes | Yes |
| U-Gauge Core Bits | ||||||||||
| UWF-Long | 6.880/6.860 | 174.75/174.2 | 5.515/5.495 | 140.08/139.5 | Yes | Yes | Yes | Yes | Yes | Yes |
| UWF-Short | 6.855/6.825 | 174.12/173.3 | 5.515/5.495 | 140.08/139.5 | Yes | Yes | Yes | Yes | Yes | Yes |
| Z-Gauge Core Bits | ||||||||||
| ZWF-Long | 7.880/7 .860 | 200.15/199.6 | 6.515/6.495 | 165 48/164.9 | Yes | Yes | Yes | Yes | Yes | Yes |
| ZWF-Short | 7.855/7.825 | 199.52/198.7 | 6.515/6.495 | 165.48/164.9 | Yes | Yes | Yes | Yes | Yes | Yes |
Notes
1. Imp. – Impregnated Diamond Type
2. S.S. – Surface Set Diamond Type
3. T.C. – Tungsten Carbide Type
4. PDC – Polycrystalline Diamond Compact Type
5. TSP – Thermally Stable Diamond Polycrystalline
6. E.P. – Electroplated Diamond Type
Any further information about the specification, after sale service, price, etc, please feel free to contact with us.
Product detail pictures:






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The client satisfaction is our primary concentrate on. We uphold a consistent level of professionalism, top quality, credibility and service for professional factory for Diamond Core Drill - Core Drill Bit – Sinovo, The product will supply to all over the world, such as: Austria, Kenya, Pakistan, Our company has built stable business relationships with many well-known domestic companies as well as oversea customers. With the goal of providing high quality products to customers at low cots, we've been committed to improving its capacities in research, development, manufacturing and management. We have honored to receive recognition from our customers. Till now we have now passed ISO9001 in 2005 and ISO/TS16949 in 2008. Enterprises of "quality of survival, the credibility of development" for the purpose, sincerely welcome domestic and foreign businessmen to visit to discuss cooperation.
This company has the idea of "better quality, lower processing costs, prices are more reasonable", so they have competitive product quality and price, that's the main reason we chose to cooperate.
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