What is the working principle of diamond core bits? The drill bit that makes the cutting edge is called a diamond core bit. The drill bit is an integrated drill bit. The entire drill bit has no moving parts. The structure is relatively simple, with high strength, high wear resistance and impact resi
What kinds of drill pipe can be divided into? The drill pipe is a steel pipe with thread on the tail, which is used to connect the surface equipment of the drilling rig and the drilling and grinding equipment or bottom hole device located at the bottom end of the drilling well. The purpose of t
How to classify core barrels? A section of pipe connected to the upper part of the drill bit to accommodate and protect the core during core barrel. This article will introduce the classification of core barrel. This article contains the following:n What is core barrel?n Single layer core barreln do
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C169
ROSCHEN
ROS-CB-C169
Product Description
Foundation Roller Cones bit C169 - Weld Type
C169 Series Weld Type
Bearing Structure
Features of C169 Series
1 | Journal sealed bearing with TCI protection on heel of cones |
2 | Bigger cone ,TCI covers full cones, longer working life |
3 | Shirttail hard enhanced by Tungsten Carbide |
4 | C169-537 adopts 17mm chisel TCI, C169-637 adopts 16mm conical-ball TCI |
5 | C169 series suits for drilling hard & very hard rock hardness more than 100MPa, |
bigger diameter TCI Inserts brings higher wear resistance and lower inserts breakage rate,it suits for bigger diameter core barrel |