Excellent quality Roller Drill Bit - Tungsten Carbide Inserts Roller Bits for Hard Rocks Drilling Core Barrel – FAR EASTERN
Excellent quality Roller Drill Bit - Tungsten Carbide Inserts Roller Bits for Hard Rocks Drilling Core Barrel – FAR EASTERN Detail:
![]()
Product Description

Tungsten carbide inserts are full fitting on surface of roller cones, it is different from traditional Single cone roller bit that inserts are groove-inserts-groove design.The roller bits are combined with two parts, arm and cone, from appearance the arm is holding cone in hand.
Steel material of arm and cone is important for the quality, we use 15MnNi4Mo steel for cone, and we use 15CrNiMo steel for arm, it is standard steel material for oil well drilling tricone bit.
Among cone-diameter 133mm roller cone bit in Far Eastern, this model is almost the best quality and performance, we have many regular customers from China domestic and South-East Asia, many deep piling holes are requested in foundation projects for tall building and railway construction.
![]()
Product Specification
Product Details:
1)Cutting Structure
The reamer mainly consists of four or more cones. Cutting Structure with premium tungsten carbide hardfacing or premium tungsten carbide insert of formulas and new techniques is utilized, and increases wear-resistance capability of reamer. The pilot is three cone bit( tricone bit ).
2)Seal and Lubrication
High performance O-ring for bearing seal and advanced grease for lubrication.
3)Product Application
It is suitable for the large size well, mining and infrastructure applications.
4)Main Availability, ( Bit sizes and cone types can be customized as you special order)

| Cutter Size | 133mm |
| Bearing Type | Sealed Journal Bearing |
| Inserts/Teeth Shape | Conical-ball |
| Inserts/Teeth | 49*14mm |
| Cone Material | 15MnNi4Mo |
| Arm Material | 15CrNiMo |
| Grease Compensation System | Available |
| Gauge Protection | Available |
| Shirttail Protection | Available |

Product detail pictures:
Related Product Guide:
We have now probably innovative production equipment, experienced and qualified engineers and workers, regarded high quality control systems and also a friendly expert income team pre/after-sales support for Excellent quality Roller Drill Bit - Tungsten Carbide Inserts Roller Bits for Hard Rocks Drilling Core Barrel – FAR EASTERN , The product will supply to all over the world, such as: Sao Paulo, Monaco, Peru, We also provide OEM service that caters to your specific needs and requirements. With a strong team of experienced engineers in hose design and development, we value every opportunity to provide products and solutions for our customers.

The after-sale warranty service is timely and thoughtful, encounter problems can be resolved very quickly, we feel reliable and secure.





