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20'' 508mm Iadc Code 537 Tricone Drilling Rock Roller Bit Factory

  • 537
  • 1
  • tianjin ,shanghai
  • water well,oil well,HDD,exploration,etc
  • 100% New
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                                          HENGJI BIT SPECIFICATION

 Bit Size

20''  508mm

 IADC Code

 537

Series

HR

Tooth type

TCI/tungsten carbide insert

 Connection

 7 5/8 API REG PIN

Bearing

rubber sealed bearing

 Nozzle

 three jet nozzles

 Rotary Speed(rpm)

 120~50

 Weight on Bit(KN/MM)

0.45~1.0

Application

water well,oil   well,HDD,exploration,etc

 

Formation

Soft to medium formation with low compressive   strength,such as medium soft shale,medium soft limestone,medium soft   sandstone,etc.

微信图片_2021040610154814_副本


Description of Tricone bit:
Cutting Structure of this series tricone rock bit :
The durability of premium tungsten carbide inserts is improved with new formulas and new techniques for insert bit.The wear-resistance of teeth is enhanced with premium tungsten carbide hardfacing on the tooth surfaces for steel tooth bit.

Gauge Structure of this series tricone rock bit :
Multiple gauge protection with gauge trimmers on heel and gauge inserts on the gauge surface of the cone, tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability and bearing life.

Bearing Structure of this series tricone rock bit :
High precision bearing with two thrust faces. Balls lock the cone.Hardface heard bearing surface. Cone bearing inlaid with friction-reducing alloy and then silver-plated. Abrasion resistance and seizure resistance of the bearing are improved and suitable for high rotary speed.

Seal and Lubrication of this series tricone rock bit :
The advanced metal seal package consists of two metal seats and two elastic energizers. Compressed energizers ensure good contact being kept on two sealing surfaces of metal rings by elastic force, and achieve the bearing seal. In the drilling, metal seal are relatively dynamic, and the energizers are static. This will improve the reliability and durability of bearing seal. The pressure compensator system and advanced grease can greatly increase the lubricating reliability.


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Hejian Hengji Bit Manufacture Co.,LTD  is specialized in researching and production of rock drilling bits since 2012, mainly includes tricone bits, PDC bits, HDD hole opener, foundation single roller cutters, drag bits and related tools with advanced CNC machines and R&D team.

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Junziguan industrial zone, hejian city, hebei province
+86-317 8114222
+86-18232837832
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