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Quick Details

  • Place of Origin: Hunan, China (Mainland)
  • Brand Name: DIY-WS002
  • Model Number: NW
  • Type: Core Drill Bit
  • Material: Diamond
  • Use: Drilling hole on hard rock to collect core for test
  • Quality Certification: ISO9001:2000
  • Main Function: Drilling on the quartz, etc hard rock
  • Matrix Height: 10mm
  • Main advantage: wear-resisting, about 100M
  • Dimension: NW
  • drill bit type: wireline system
  • Mainly use place: Drill on the hard rock

Packaging & Delivery

Packaging Details 14pcs one carton, 14kgs/carton.
Delivery Time 50pcs: 4days, 100pcs one week, 200pcs: 10days


Drill a hole: Center drill
1.High penetration rate
2.High core recovery ratio
3.Long service life
4.Compare it lower cost

                                  NW Casing shoe drill bits                               

                                                            Very popular on the internation drilling !


Casing & Casing Shoe Bits are used for standard drilling down or positioning casing tubes into drill holes.


1. Casing Shoe Bit
The inside diameter of the casing shoe bit is not set with diamonds sometimes(surface set Type) and flush with the inside diameter of the casing. Basically,the corresponding size of Drill Bits and Core Barrels have to get through the inner diameter of the casing shoe bits freely .


1-1: More Pictures:


2. Casing Bit
The inside diameter of the Casing Bits are set with  diamonds and is smaller than the Casing  Shoe Bits. It will not permit the passage of the core barrel.


3. Rod Shoe Bit

We also make the Rods Shoe Bits to use with the Wireline Drill Rods.


Depending on the cutting media, Diyfia company makes four types of Casing & Casing shoe & Rod Shoe Bits: 

  • ---Impregnated Diamond Casing & Casing shoe & Rod Shoe Bits
  • ---Surface set Casing & Casing shoe & Rod Shoe Bits
  • ---Tungsten Carbide Casing & Casing shoe & Rod Shoe Bits
  • ---Electroplated Diamond Casing & Casing shoe & Rod Shoe Bits




                                               Casing shoe bits
Imp. Diamond Casing shoe bit
Surface Casing shoe bits    
T.C Casing shoe bits    
Electroplated casing shoe bits    



5. Certifications and our company: 


6. Sale and after-sales team: 

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Trade Assurance
China (Mainland) | Trading Company
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Supplier Assessments:
5 Transactions 10,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $32,000
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