Hejian Smart Petroleum Machinery Co., Ltd.
Main products:Tricone Bit,PDC Bit
Contact Us
  • Contact Person : Ms. Feng Emely
  • Company Name : Hejian Smart Petroleum Machinery Co., Ltd.
  • Tel : 86-317-3180823
  • Fax : 86-317-3180823
  • Address : Hebei,Hejian,Junziguan,Shijing town, Hejian
  • Country/Region : China
  • Zip : 062450

rock roller bit

rock roller bit
Product Detailed
GJ series bit adopts metal seal with roller bearing, which can drill stably with middle to low WOB and middle to high RPM.

We sell 3 1/2(88.9mm) to 17 1/2"(445mm) tricone rock bit with good quality and service.

1. Journal bearing. hardfaced head bearing surface. Cone bearing inlaid with friction reducing alloy and then silver plated. the load capacity and seizure resistance of the bearing is greatly improved.

2. O-ring seal is made of the more wear resistance high saturated Buna-N with the section and precisely designed sealing flange in the cone sealing area increased the reliability of the seal.

3. The bit bearing is ball which can be applied to high rotary speed drilling.

4. All rubber compensator is used which can provides the bearing system with good assurance of lubrication.

5. New type of grease that can sustain high temperature up to 250C is utilized.

6. High wear resistance and excellent cutting ability of the insert bit are given full play by using carbide compacts of high strength and high toughness in combination with optimized compact numbers and rows, the exposure height and special shaped compacts.

Type: 417,437,517,537,617,637………………….

rock roller bit

Copyright Notice @ 2008-2012 ECVERY Limited and/or its subsidiaries and licensors. All rights reserved.