Model List
| Basic Parameter | |
| Roller bit DIA. | 8.5 inch |
| Bearing Type | Rubber sealed journal bearing |
| Alloy DIA. | 14mm |
| Alloy Quantity | 52 pcs |
| Alloy Model | SY11 |
| Bearing oil storage self-pressure compensation system | Yes,and we have the letter patent . |
| Processing Type | Forging |
| Usage | Matched with core barrel for rotary drilling rig |
| Advantage | High Performance Cost Ratio |
| Application formation | Super hard with high compressive strength and harder abrasive stringer, such as hard shale, hard gypsolyte, soft limestone, sandstone and dolomite, etc. |
| Weight | 6kg |
| Industrial standard | SY/T5164 |
| MOQ | 1 PC |
Package:
Packaging details for BJTUFF roller cone bits:
1.100% inspection before shipment.
2. Wrapped with carton.
3. Packed with wooden cases
4. As clients' requirements.
Company advantage:
1- Our drilling tools can be customized depending on kinds of rigs and site conditions.
2- We require high quality of welding, therefore we employ at least 8 years experienced welders.
3- Understand what customers need and provide what customers want, We provide one-stop solution for the world’s foundation construction users.
FAQ:
1. Are you factory or not?
Yes, we manufactured drilling products for 7 years in Hebei,China. Warmly welcome to visit our factory and office.
2. Do you offer discounts for your drilling product?
Yes. Depends on order quantity.
3. Can I expect the quality products?
Of course.All our activities are accredited ISO90001 and API,both in products and services.At the same time ,mature technology ensuring the quality satisfy international request.
4. About the leading time and shipping time?
The leading time depend on the quantity of order.
About the shipping ,usually shipped by sea.but we will arrange the delivery by air if small oder or urgent order after received your agreement.
According to the distance from leading time to destination port ,generally it's about 25 days to European ,and about 20days to west of America.
