Tapered Cross Drill Bit 5 Blade 311.15mm Well Drilling

12 1/4 Inch 5 Blades Cross Drill Bit Tapered Reamer Drill Bit Rock Drill Bits

1. Tool exposure is optimized to ensure the bit is capable of higher ROP (soft to moderate formations).
2. The shock absorber is designed to allow the bit to drill through the formation with a hard punch.
3. Using dynamic flow pattern simulation technology to optimize the hydraulic system of the drill bit, enhance the cleaning and cooling effect of the drill bit effectively prevents the bit from pilling.

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 principle 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. Why you choose us?
We are factory of drill bits, so the price is affordable, and the quality can be controlled. Also, we can do customized products according to client's request.
Our promise is to provide reasonable prices, short production period, and satisfactory after-sales services.

2. Whether accpect customized products according to client's requirement?
Yes, we accept customization, no matter what size or how many blades you want.

3. What is the time about the delivery?
The lead time depend on quantity of order. Usually shipped by sea, 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 days. To West of American 20 days.
4. Can I visit your factory online?
Yes, we can definitely show our workshop, warehouse, office online through WeChat, Whatsapp or Skype.

5. How to order the products?
Send the inquiry with detail item description or with Model number. If there is no packing demand we take it as sea-way packing. If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding.

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!