Directional PDC Rock Drill Bit Diamond Coal Mining Deep Well

Place of Origin China
Brand Name Hainaisen
Certification ISO 9001
Model Number 118DA24
Minimum Order Quantity 10 pieces
Price To be negotiable
Packaging Details customized
Delivery Time 7 business days
Payment Terms L/C, T/T
Supply Ability 300pcs per day

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Product Details
Size φ118mm Use Coal Mining
Condition New Market Global
Video Outgoing-Inspection Provided Showroom Location Xi'an, China
Suitable Formation Hard Formation Material Diamond And Tungsten Carbide
Machinery Test Report Provided
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diamond PDC Rock Drill Bit


directional PDC Rock Drill Bit


PDC deep well drill bit

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Product Description

PDC Directional Diamond Drill Bit For Mine Coal Drilling
1. The crown of the bit is flat cast surface which is suitable for hard and non-abrasive formation.
2. The top of the bit is shallow conical surface which has good orientation, cleaning power and strong aggressivity.The 4 nozzles on the bit helps clear away the rock debris at the bottom of the well.
3. The bit is inset by PDC cutters in anticlockwise and interlaced way so that the cutters can cut any area of the well with good cutting effect.It also reduce the quantity of the bits used to drill one hole. And the bits are in a high speed and more stable.
4. Cutters which can stand high impact are symmetrically inset on the bit. The caster angle is 13°to 16°. The model of the cutters is 1308 which has strong aggressivity.
5. The blades of this bit are designed as microscale spiral. The gauge surface is inset by PDC cutter gauge teeth to enhance the abrasive resistance and improve the gauge effect.Therefore, the cutters can be fully used to improve the stability of the bit.


Size 4- 5/8 inch (Φ118mm)
Model number 118DA24
Body type High Manganese Steel
Number of blade 4
Primary PDC cutter size 1308
Number of nozzle 4
Diameter of nozzle 15mm
Gauge length 43.5mm
API connection API 2-7/8 REG
Suitable formation F≤12
Application Mining&Coal&Well
Quality High Level
Package Corrugated carton
MOQ 10 Pieces
Certificate ISO 9001
Customized Size




Directional PDC Rock Drill Bit Diamond Coal Mining Deep Well 0


Our drill bits will be shipped out within 5 days after the 50%/full payment is confirmed.

We ship the bits by sea, by air. Or if you have any other demands, please feel free to let us know.

Directional PDC Rock Drill Bit Diamond Coal Mining Deep Well 1


Our Principle

We are insisting in the principle of high quality, superior service and the courage to innovate. We are also adhering to providing the efficient products and excellent services. If you are interested in our drill bits, please feel free to contact us. We are looking forward to cooperating with you!



1. Are you a trading company or manufacturer?
We have been a professional manufacturer of PDC bits since 2013.
2. Whether accept customized according to clients' requirements?
Yes, We accept customized products, no matter what size and what type. Please feel free to contact us.
3. About lead time and shipping time?
The lead time depends on the quantity of the order. Usually, it will take 3-5 days to ship to Tianjin Port or XI'AN Airport, China. For the small order or urgent order, we can send you by air once the order is confirmed.
4. Is it produced according to the standard? And can I expect a quality product?
Yes, all our activities are accredited to ISO9001: 2015, both in products and services. At the same time, mature production technology will ensure the quality to satisfy the international request. We have strictly inspection in the production. Our bits are exported to the Middle East, Europe, North America, South America, Australia, and other countries and regions.
5. How do you guarantee your quality?
We select the advanced production technology and equipment, strictly control the whole production process, and inspect 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.
6. What is your payment terms?
Our payment terms: T/T (normally 30% deposit ,balance 70% before shippment )
or LC at sight.


If you have any questions, please feel free to contact us. No matter how far away we are, communication is no boundaries.