DCDMA Standard PWL / PWL3 Diamond Core Bit For Diamond Core Drill Accessories
Core Drilling Accessories PWL / PWL3 Impregnated Diamond Core Cutting Drill Bits
1. Impregnated diamond core bit
It’s most popular and commonly in the mineral’s exploration field and geology’s exploration field. Nowdays Our company produce three types(Master Series, Navigator Series, Junior Series) is recognized and recommended by more and more customers.
We preciously selected grades of top grade synthetic diamond are distributed in the depth of impregnated bit’s matrix series.The matrix layer of the crown contains a uniform distribution of these crystal that are embedded in a powdered metal bond, for improving lifespan and rate of penetration. The best record of our bit in south africa, single bit’s life span reach amazing 614.40m
- In order to help the customer to select suitable bit and reduce customer’s workload, please follow below three steps to choice your bit.
{1}Assure diameter of Impregnated bit
| Type | Core bit | |||
| Outer Diameter | Inner Diameter | |||
| Inch | mm | Inch | mm | |
| BTW | 2.345 | 59.56 | 1.667 | 42.35 |
| NTW | 2.965 | 75.31 | 2.218 | 56.35 |
| HTW | 3.762 | 95.57 | 2.809 | 71.35 |
| A/WL | 1.875 | 47.63 | 1.062 | 26.97 |
| B/WL | 2.345 | 59.56 | 1.433 | 36.4 |
| B/WL-3 | 2.345 | 59.56 | 1.32 | 33.53 |
| N/WL | 2.965 | 75.31 | 1.875 | 47.63 |
| N/WL-3 | 2.965 | 75.31 | 1.775 | 45.08 |
| H/WL | 3.762 | 95.57 | 2.5 | 63.5 |
| H/WL-3 | 3.762 | 95.57 | 2.406 | 61.11 |
| P/WL | 4.805 | 122.05 | 3.345 | 84.96 |
| P/WL-3 | 4.805 | 122.05 | 3.27 | 83.06 |
| T2-56 | 2.205 | 56 | 1.642 | 41.7 |
| T2-76 | 2.992 | 76 | 2.429 | 61.7 |
| T2-86 | 3.385 | 86 | 2.823 | 71.7 |
| T2-101 | 3.976 | 101 | 3.295 | 83.7 |
| T6-101 | 3.976 | 101 | 3.11 | 79 |
| T6-131 | 5.157 | 131 | 4.252 | 108 |
|
System |
Fluid volume |
Rock hardness
|
Rotation Speed (rpm) |
Penetration speed (in/min-cm/min) |
Bit weight range | ||||||||||
| gpm | l/min | 200(r/in) | 250(r/in) | 80(r/cm) | 100(r/cm) | Lb | kg | ||||||||
|
BWL |
7.0-9.5 |
27-36 |
H | 1000 | 1400 | 5 | 7 | 4 | 5.6 | 12.5 | 17.5 | 10 | 12 | 5000-8000 | 2275-3650 |
| M | 1000 | 1200 | 5 | 6 | 4 | 4.8 | 12.5 | 15 | 10 | 12 | 3500-6000 | 1600-2725 | |||
| S | 800 | 1200 | 4 | 6 | 3.2 | 4.8 | 10 | 15 | 8 | 12 | 2500-3500 | 1150-1600 | |||
|
NWL |
9.5-12 |
36-45 |
H | 1000 | 1200 | 5 | 6 | 4 | 4.8 | 12.5 | 15 | 10 | 12 | 6000-8000 | 2725-3650 |
| M | 800 | 1200 | 4 | 6 | 3.2 | 4.8 | 10 | 15 | 8 | 12 | 4000-6000 | 1800-2725 | |||
| S | 600 | 1000 | 3 | 5 | 2.4 | 4 | 7.5 | 12.5 | 6 | 10 | 2500-3500 | 1150-1600 | |||
|
HWL |
12.0-14.5 |
45-55 |
H | 800 | 1000 | 4 | 5 | 3.2 | 4 | 10 | 12.5 | 8 | 10 | 6000-10000 | 2725-4550 |
| M | 600 | 1000 | 3 | 5 | 2.4 | 4 | 7.5 | 12.5 | 6 | 10 | 4000-8000 | 1800-3650 | |||
| S | 600 | 800 | 3 | 4 | 2.4 | 3.2 | 7.5 | 10 | 6 | 8 | 3000-6000 | 1350-2725 | |||
|
PWL |
20-30 |
75-110 |
H |
400 |
600 |
2 |
3 |
1.6 |
2.4 |
5 |
7.5 |
4 |
6 |
6000-12000 | 2725-5500 |
| M | 5000-10000 | 2275-4550 | |||||||||||||
| S | 300 | 500 | 1.5 | 2.5 | 1.2 | 2 | 3.75 | 6.25 | 3 | 5 | 4000-8000 | 1800-3650 | |||
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