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 . |
| The protection for the back of roller bit | Yes. |
| Bearing wear -resistant alloy | Yes. |
| 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- We purchase top quality raw materials from leading raw-steel factory.
2- Our drilling tools can be customized depending on kinds of rigs and site conditions.
FAQ:
1. What does your company make?
The main products of our company include roller bits,drilling bucket, auger bucket,drilling teeth,pile breaker, kelly bar and casing pipe.
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.
