Model No.: Core Drill Bit
ZZ HARMETAL Reaming bits:
Reaming Diameter: 64-102
Normal thread: R25, R28, R32
Type: Pilot, Integral
ZZ HARDMETAL Reaming Bits
SPECIFICATION: ISO9001: 2008 certificated, made with high quality of best quality alloy steel bar and tungsten carbides, through heat treatment.
The durability of premium tungsten carbide insert is improved with new formulas and new techniques for insert bit.
Multiple gauge protection with gauge trimmers on the heel of cone, tungsten Carbide Inserts and hardfacing on the
Shirttail increases gauge holding capability and bearing life.
High precision bearing with two thrust faces. Ball lock the cone. Hardfaced head bearing surface. Cone bearing inlaid
With friction-reducing alloy and then silver-plated. Abrasion resistance and seizure resistance of the bearing are improved.
Seal and Lubrication
Premium Oring, Optimal seal compression and curved seal structure can enhance the seal performance.
The pressure compensator system and advanced grease can greatly increase the lubricating reliability.
It can receive high WOB in the conventional drilling. It is suitable for various formations by matching cutting structure
With different tooth shape, tooth density and tooth exposure height.
Made from steel and tungsten carbide as same grade as internationally well-known brand
Apply "hot-insertion" processing procedure to insert the buttons as same as internationally well-known brand
Entire CNC processing procedure ensure the quality consistency
Military grade requirements of heat-treatment guarantee durability Contact us if you need more details on Rock Drill. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Drill Bits、Mining Bits. If these products fail to match your need, please contact us and we would like to provide relevant information.
Product Categories : Drilling Bits&Mining Bits
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