Single Layer Stabilized Diamond Core Bit Locking Coupling BWL NWL HWL PWL
USD100~ 200
Single Layer Stabilized Diamond Core Bit Locking Coupling BWL NWL HWL PWL
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Basic Infomation
Place of Origin: China
Certification: CE, ISO9001-2000
Model Number: BWL NWL HWL PWL
High Light:

core hole drill bits


diamond core drill bit

Payment & Shipping Terms
Packaging Details: Sea Worthy Package
Delivery Time: 5-7 Working Days
Payment Terms: T/T, L/C, Western Union
Material: Synthetic Diamond, Natural Diamond
Available Size: Q 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
HS: 820719
Product Description


BWL NWL HWL PWL Single Layer Stabilized Diamond Locking Coupling




Diamond Locking couplings are available both with and without drive tangs in all standard sizes. Rod threads are carefully matched to industry standard samples, allowing trouble-free compatibility with all normally available core barrel and rod types.



1. Dual ring made from precision-ground diamond pads to diminish reaming shell gauge for hole stabilization.


2. Diamond pad: Stabilize the core barrel, protect the circular shape, reduce vibrations, increase productivity and life of locking coupling and drill rods.

3. Can be used in all drilling conditions.


Single Layer Stabilized Diamond Core Bit Locking Coupling BWL NWL HWL PWL 0


Item Description Length
1 NWL Head Assembly  
2 NWL Inner Tube 5 ft.
2 NWL Inner Tube 10 ft.
3 Stop Ring  
4 Core Lifter Hardened  
5 Core Lifter Case  
6 Locking Coupling NWL  
7 Adapter Coupling  
8 Landing Ring  
9 Outer Tube 5 ft.
9 Outer Tube 10 ft.
10 Inner Tube Stabilizer  


Single Layer Stabilized Diamond Core Bit Locking Coupling BWL NWL HWL PWL 1




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.





Single Layer Stabilized Diamond Core Bit Locking Coupling BWL NWL HWL PWL 2
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



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Get in touch with us
Contact Person : Mr. Yuan Qi
Tel : +86-13912498528
Fax : 86-510-82752846
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