85mm 9.5" Button Drill Bit Tungsten Coal Mining Steel Body

9 1/2 Inch 5 Blades High Quality Drill Bits Mining Drill Bits

1. Advanced geometric design, faster penetration.
2. Add tools for optimum performance.
3. Large trash chute for better hole cleaning.
4. Deep hole drilling oilfield technology.

Package&Delivery

Our bits will be shipped within 4 days after 50% full payment is received by sea or air as you require.

Please contact us freely if you have any other requests.

Our Principle

Our goal is to provide our customers with the highest quality tools, accessories, and services in the industry. Years of experience, well-trained professionals and a complete mechanical workshop support us. Reducing costs, speeding up drilling, and ensuring safety have always been our mission.

FAQ

1. Accepted payment terms:
T/T, L/C, D/P, Paypal, Western Union etc

2. Quality assurance and assurance:
We are API&ISO certified factory, we have a complete system to control production quality and after-sales service.

3. Reference letters:
We have many reference letters issued by clients from many countries to check our quality and service.

4. Can I visit your factory online?
Yes, we can definitely show our workshop, warehouse, office online through WeChat, Whatsapp or Skype.

Shaanxi Hainaisen Petroleum Technology co., LTD is a high-tech enterprise with independent intellectual property rights. It was established in 2013. The total investment amounts to CNY 50 million. We have specialized in the research, development and sales of diamond bits, mine drill bits, PDC drill bits and other drilling tools for the coal industry and oil&gas exploitation. Besides, we also produce Polycrystalline Diamond Compact (PDC), Diamond Enhanced Cutter (DEC) for oil&gas drilling and mining engineering. The core member of our company is one of the earliest staff engaged in PDC cutter, and has participated in the introduction of the first PDC manufacturing enterprise in China.

Our company has its own factory which is located in Jing Wei Industrial Park of Economic and Technological Development Zone in Xi'an, China. The factory covers an area of 6,000 square meters with modern standard plant equipment. Presently, it has more than 150 employees, including 20 senior technicians. The sales of our company can reach 60 million RMB per year.

Since the establishment, our company has been insisting on the principle of high quality, superior service and the courage to innovate. We are also adhering to providing efficient products and excellent services. After 10 years of development, our products are recognized by more and more clients at home and abroad, and we also established a good reputation.

We are sincerely looking forward to cooperating with you!