Factory supplied Tricone Rock Drill Bits - API 8 1/2" IADC437/537/637g Single Roller Cones/Cutters, Tricone Bits/Roller Cone Bit for Water Well/Piling/HDD Drilling – YINHAI
Factory supplied Tricone Rock Drill Bits - API 8 1/2" IADC437/537/637g Single Roller Cones/Cutters, Tricone Bits/Roller Cone Bit for Water Well/Piling/HDD Drilling – YINHAI Detail:
Basic Info.
Model NO.
YHA 8 1/2-637G
Pin Connection
4 1/2" API Reg
Leg/Gauge Protection
Hardmetal and Ovoid Inserts
Trademark
YINHAI
Specification
15KG-40KG
Origin
Cangzhou City, Hebei Province, China
HS Code
8207199000
YINHAI TECH DATA OF CUTTERS/BITS | |
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YINHAI PRODUCTION WORKSHOP SHOW |
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YINHAI FOREIGN EXHIBITION SHOW–BITS |
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FAQ: |
1.Q:Is your company a distributor or a manufacturer? A: Manufacturer, We are a 100% real factory of Rock Drill Bits, with 12 years’ experience in manufacturing. And We have passed the factory audit by SGS. We can also provide you with OEM service. |
2.Q:How about your products? A : Both standardized tricone bits and PDC bits produced strictly according to API and rock bits-customizing used in various construction works are provided. YINHAI bits have been being sold well and running stably in many areas, such as: the United States, Canada, Chile, Poland,France, Saudi Arabia, Egypt , Singapore and Russia and so on. |
3.Q:What kind of packing do you have? A: Ply Wooden boxes (free of fumigation); Cartons; Packing can be customized. ![]() ![]() |
4.Q:What is your price advantage? A:We are 100% factory directly sales,API production process guarantee,Provide customized services for brand processing. Could supply you tricone drill bits directly to save your time and money. Reduce the cost of drilling for you, worry free after-sales service. Welcome to book a video-call to inspect our factory. |
5.Q:What is the minimum order quantity for your factory? A:It all depends.Generally 1-5 pcs. |
6.Q:What is the website about your factory? A:yinhaibits.en.made-in-china.com ~~~ Please contact me for Drilling Report& Clients’ Feedback& Tech Data or any info. |
Product detail pictures:






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We now have a skilled, performance team to supply good quality services for our consumer. We often follow the tenet of customer-oriented, details-focused for Factory supplied Tricone Rock Drill Bits - API 8 1/2" IADC437/537/637g Single Roller Cones/Cutters, Tricone Bits/Roller Cone Bit for Water Well/Piling/HDD Drilling – YINHAI , The product will supply to all over the world, such as: panama, Qatar, New Delhi, With the effort to keep pace with world's trend, we'll always endeavor to meet customers' demands. If you want develop any other new items, we can customize them to suit your needs. If you feel interest in any of our products and solutions or want develop new merchandise, you should feel free to contact us. We are looking forward to forming successful business relationship with customers all over the world.

High production efficiency and good product quality, fast delivery and completed after-sale protection, a right choice, a best choice.

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