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SINOCOREDRILL GROUP CO.,LTD " Specialist of Geological Exploration Tools Supplier "
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Natural Diamond Surface Set Core Bits Diamond Core Bit High Wear Resistance

Sinocoredrill Group Co.,Ltd
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Sinocoredrill Group Co.,Ltd
City: Wuxi
Province/State: Jiangsu
Tel: 86-510-82723272
Contact Person:
Mr Yuan Qi

Natural Diamond Surface Set Core Bits Diamond Core Bit High Wear Resistance

Model Number : BWL NWL HWL PWL
Certification : CE, ISO9001-2000
Place of Origin : China
Payment Terms : T/T, L/C, Western Union
Delivery Time : 5-7 Working Days
Packaging Details : Sea Worthy Package
Material : Synthetic Diamond, Natural Diamond
Available Size : Q Series, T2 Series, T6 Series
Crown Profile : Standard
Waterways : Standard /Face Discharge /Turbo /Spiral
Thread : DCDMA Standard
Color : Black
Applicaion : All Conventional and Wireline Core Barrel
Use : Mining Exploration Diamond Drilling
Height : 12mm 16mm 25mm
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Softer Formation HQ3 Multi Steps Natural Diamond Surface Set Core Bits

The SINOCOREDRILL surface set bit offering is created by the world’s best, most experienced team in this specialized field. Designs and diamond setting patterns have evolved through constant dialogue between this team and the World’s best drillers. Mined diamonds are selected from ethical and reliable sources, and blended to yield consistent characteristics. Matrix metallurgy has been optimized to give robust support to the diamonds, resulting in excellent retention and consequently a long and reliable life to the tool.

Surface set bits are still a favoured alternative for softer formations, or in highly abrasive ground where the balance in an impregnated bit between matrix erosion and diamond wear would be upset by the aggressive rock conditions.

Features of surface set diamond core bit:

1. High wear resistance and impact-resistant toughness
2. Long drilling life
3. High drilling efficiency
4. Labor intensity can be reduced


SizeBit-set ODBit-set ID

Wireline core drilling products:
Geological Core Bits:
Impregnated Bit(T2-76/86/101,etc; BQ,HQ,NQ,PQ,etc)
Surface Bit(T2-76/86/101,etc; BQ,HQ,NQ,PQ,etc)
Reaming Shell(T2-76/86/101,etc; BQ,HQ,NQ,PQ,etc)

Core Barrels & spare parts:
core lifters, core lifter cases, stop rings, landing rings, landing shoulders, inner tube stabilizers, locking couplings, adaptor couplings,
inner tube and outer tubes wrenches, head assembly, Core Barells,


Sinocoredrill bits are available in all standard drilling sizes(BQ,NQ,HQ,PQ,etc.)

Also, non-standard sized bits can be produced according to requirements from clients.

Crown Height:
Sinocoredrill offers crown depths of 10mm, 12mm, 14mm.

The taller crown heights provide improved bit stability and reduced vibrations, enhancing bit life and performance. Unless otherwise specified, a standard 14mm impregnation depth is supplied for most of our customer.

Various waterways are available for diamond impregnated bits.

Differing waterways allow for better flushing in various ground conditions and drilling systems.
Matrix hardness:

For convenience of customer from different countries, Sinocoredrill impregnated bit matrices adopts the international standard matrix number system. Matrices to be used on various rock conditions can be ordered according to the MATRIX SELECTION CHART.

Standard Q threads as well as thread types required by clients are available.


  • High quality drilling equipment;
  • Full technical support and service;
  • Spare parts, tools and consumable materials
  • Training and consulting services
  • International sales and dealership agencies;

Through innovative products and service, Sinocoredrill has brought its customers the sustainable developed solutions that can improve their productivity. And through the close cooperation with customers and business partners, Sinocoredrill is making continuous innovation for achieving its goal of superior productivity.

Our Technician and manager groups are all with more than ten years’ experience on Developing, researching and producing exploration products. Owing to our products' excellent performance and very competitive pricing, we successfully minimized our every customer's drilling cost per meter.

The mission of the company is to provide high-quality drilling equipment that is good value for money and to help the clients to increase their profit in business.

Warranty and Service

We always concerned about our clients and provides them with warranty and service support.

The factory ensures equipment warranty for the major assemblies and units efficient for 12 months. The clients are supplied with all needed spare parts, tooling and auxiliary facilities.

The authorized dealers possess service centers to execute product warranty liabilities, after-sales service and equipment repair. The clients’ staff is also provided with theoretical and practical company instructions and consultations on all matters concerning execution of work and equipment operation.

Q:Are you trading company or manufacturer ?

A: We are a specialized manufacturer.

Q: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.

T/T, L/C, Western Union.

Q: What are your main products, and used for?
A: Our products include core bit, PDC bit, reaming shell, core barrel, casing, drill rod, drill rig and other drilling parts.
They are used for mineral exploration, geological drilling, geotechnical engineering and soil sampling.

Q: How about the delivery terms?
A: Min. order quantity: 1 piece. Transportation: By DHL/TNT/Fedex express, air, sea, train.

Q: How about discount?
A: Price is based on products and order quantity.

Q: Do you accept sample order?
A: Yes sure, please contact us for details.

Q: How about your after-sales service?
A: As a manufacturer, we offer promote technology support for all problems and questions. Besides, we accept goods return or replace for quality problem.

Q: Where is your factory located in?
A: Our factory is located in Jiangyin city,Jiangsu province, China.

Q: How does your company control the quality?
A: Quality first. In order to guarantee high quality for our products, Sinocoredrill usually makes a serious inspection for all products and raw materials in strict procedure

Product Tags:

core hole drill bits


large drill bits

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