Well Drilling PDC Diamond Drill Bit With API

  • 1-4 Pieces
  • >=5 Pieces
Model Number:
8 1/2"
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0piecesselected, US $in total
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Shipping fee:
Depends on the order quantity.
Lead Time:
15 day(s) after payment received
Customized logo (Min. Order: 10 Pieces)
Customized packaging (Min. Order: 10 Pieces)


Graphic customization (Min. Order: 10 Pieces) Less
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Quick Details
Place of Origin:
Hebei, China
Brand Name:
High Manganese Steel, pdc cutter
Drill Bit, steel body pdc drill bit
Machine Type:
Drilling Tool, Drilling Tool
Processing Type:
Forging, Mechanical processing and milling
Well Drilling, Well Drilling
Applicable Industries:
Energy & Mining
primary cutter size:
1 Piece
oil,gas,water well
Iron Box

Packaging & Delivery

Selling Units:
Single item
Single package size: 
52X28X28 cm
Single gross weight:
65.0 kg
Package Type:
wooden box or as your required
Picture Example:
Lead Time :
Quantity(Pieces) 1 - 1 >1
Est. Time(days) 15 To be negotiated

diamond drill bit for well drilling with API

Product Description



Are you troubled by these problems

Replace the drill bit during operation, Cutter lay off or complex geology structure required special drill bit.Great drill bit can help you to solve this problem


1.Excellent wear ability

Famous company cutters, umicore silver solder and saint-gobain high wear material, Good wear resistance enables you to complete the drilling task with one bit


2.High processing precision

The advanced designing and analysis software is the guarantee of precision and reliable of the development



20 years production and development experience make us have ability to resolve the difficult that you meet


Bit specification
  Bit Type 8 1/2" GS1904TC  Nozzle Qty 5NZ
  IADC Code S223
  Gauge Length(mm) 100
  Blade 4  Connection 4 1/2" API REG
  Cutter size(mm) 13mm;16mm;19mm  N.W./G.W.(KG) 54/69
  Cutter Qty 13*14;16*1;19*26  Nozzle Size(inch) 10/32;11/32


8 1-2 GS1904T.jpgPDC(1)(1)_02.jpg

Client Feedback



Dull grading

Dull grading : 1-1-WT-A-X-I-NO-TD

The 8 1/2 -in. GSD1635TZ bit had no damage on the inside cutting structure and only a few worn cutters in the outer row.

The operator was extremely pleased by the success of the operation and plans to use the bit for another wells and promote the bit in the block.



Related Products


Production Process


Great special iron bit packaging, equipped with high-quality shackle device, convenient for the extraction and installation of the bit;The special suspension design can better guarantee the safety of PDC bit crown composite during transportation.

About us


  • Excellent equipment, military quality
  • Adopt Japan Mazak, Germany DMG high - precision processing and testing procedures to create perfect product quality
  • The world's top suppliers for product quality protection escort
  • 20 Top designers & 100 senior technicians & 50 sales and service team  to create a perfect customer experience                                                                                         







Production cycle: 5-30 days(PDC), 10-60 days(roller cone bit)

Major market: North America,Middle east area,Africa,Europe

Package: Iron or Wooden box         Annual output: 10000 pcs


1. Are you trading company or manufacturer ?

 We are manufacturer.


2. Whether accept customized according to customers' requirements ?

Yes, We accept customized, no matter what size and type ,and MOQ is 1 piece .


3. About lead time and shipping time?

The lead time depend on quantity of order. Usually it will takes 3-5days shipping to Tianjin Port or Beijing Airport,China .Even the small order or urgent order we can send you by air after received your agreement. According the distance from china to your port, usually from China to European about 25-30 days. To West of American 20-25 days.


4. It is produced according to the standard?

Yes. All our activities are accredited to ISO 9001:2008 and API, both in products and services, at the same time, mature production technology ensuring the quality satisfy international request,we had strictly inspection in the production.  Exported to the Middle East, Europe, North America, South America, Australia and other countries and regions.


5. Can I expect a quality product?

Yes. All our activities are accredited to ISO 9001:2008 and API, both in products and services, at the same time, mature production technology ensuring the quality satisfy international request.


6. How do you guarantee your quality?

We select the advanced production technology and equipment, strictly control the whole production process,and we inspected the finished drill bits,we can also make several design changes according to the customer's feedback, and finally ensure the customer's excellent drilling effect.