HA rubber sealed rock bit

rock bit 1.HA rubber sealed bit with journal bearing 2.8-1/2" 3.4-1/2"API 4. API certificate

rock bit

HA rubber sealed rock bit1. HA rubber sealed bit with journal bearing2.8-1/2"3.4-1/2"API4. API certificate

 HA rubber sealed rock bit specification

HA series bit adopts rubber seal with journal bearing, which can sustain higher WOB

under normal rotary speed and is suitable for drilling in formations from very soft to

middle hard by properly selecting different cutting structure.

rock bit technical parameters

Item	Drilling speed(m/h)		FormationHardness	Rock Type	CompressStrength
TCI BitIADC NO.	WBM	OBM
437	9--15	12--18	soft	Claystone,Marl,Lignite,Sandstone,Tuff	25-250Mpa
517/527	4.5--9	6--12	medium soft	Claystone ,Marl,Lignite,Sandstone,Siltstone,Anhydrites,Tuff	50-75Mpa
517/537	2.5--6	3--6	medium	Mudstone,Limestone,Anhydrites,Sandstone(Calcareous)	75-100Mpa
537/617	1.5--2.5	1.5--3	medium hard	Limestone,Anhydrites,Dolomite	100-120Mpa
627/637	1--1.5	1--1.5	hard	Shale(Calcareous),Sandstone(Siliceous),Siltstone	100-200Mpa
637/737/837	1	1	very hard	Quartzite,Lgneous rocks	>200Mpa

rock bit insert type

rock bit package 

rock bit stock show

company profile

We are the manufacture of the Rock Bit, including TCI BIT, THREE-CONE STEEL CONE BIT, PDC BIT. CORE BIT

We open on 1995 years and export the business from 2001 year. Within this 17 years, we build 2 factory and two trade office .have the 137 workers and 15 technicist and 10 testing person and 15 trade persons.

The products sale in 5300000 USD per year , sale in domestic market 25%, export 75%.including India, Russia, Turkey, USA, UAE, Britain, Mexico, Canada and ect.

Best service and best price with best quality is my aim for customers

If you need any help, plz contact with me

Skype:rongxiaochao24

Mobile :0086-18311315266

Thanks and best regards

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rock bit

HA rubber sealed rock bit