
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
{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 |
CGE Group Wuxi Drilling Tools Co., Ltd.
CGE Group Wuxi Drilling tools Co.,Ltd. (formerly named Wuxi drilling tool factory Co., Ltd) was founded in 1958, which is a state-owned leading enterprise . We’re the strategic partner of Atlas Copco ( Epiroc) since 2012.
Our company covers 120 mu and has a total assets around 20000 million Rmb. We have around 200 employees, including 10 technicians.
The main products we manufactured are listed as bellow:
1.China national standard coring drill system products
2.DCDMA standard products: A, B, N, H, Q series ,T2, T6 series impregnated diamond bit, PDC bit, surface set bit, drill rod, core barrel assembly, overshot, water swivel, hoist, circle wrench...
3.API standard drill rod for oil & water well drilling rod
4.Equipment for water conservancy, geology, unconventional oil & gas, and environment treatment, as well as doing relevant trades & services.
Warehouse
Quality Control Department
We have been strictly controlled the quality of our raw materials, and all of our steel metals
are from famous steel mills (factories).
Department Of Technology
Can innovate products following market trend based on customer’s need and valuable
feedback.
● Passed the certification of ISO 9001:2000 quality system.
● Passed OHSAS18000 Occupational Health and Safety Management System
Certification .
● Have more than 70 items independent intellectual property patents.
Products are used in many national major projects