Contact person: Ms. susan
Position: salesmanager
Address: Industry zone ,beijing
web:http://www.tcirockbit.com
Country: China
Phone: 008618301418215 - Mobi: 008618301418215
rock bits
Price: 300
HJ/HJT Rock bits
METAL SEALED Rock BIT WITH JOURNAL BEARING
HJ/HJT series Rock bits adopts metal seal with journal bearing, which can drill stably with high rotary speed.
The size range of HJ/HJT series Rock bits is from 7 1/2 to 18 7/8 inch, and IADC varies from 117 to 547.For example:8 1/2HJT537G
# MAIN STRUCTURE FEATURES
Metal face seal journal bearing ,New processes of head bearing hardfacing and cone bearing silver plating are used to improve the load capacity ,anti-galling ability an dstability of the bearing .
various shapes of inserts can be equipped on this series Rock bits of bits including scoop inserts, wedge inserts,conical-sherical inserts an double spherical inserts,etc.Drilling process & formation and Rock bit are efficient integrated by scientific insert shape selection to realize safety and high efficient drilling.
For HJT, a row of inserts is added between gage row and heel row to trim borehole wall and protect cone shell.
METAL SEALED Rock BIT WITH JOURNAL BEARING
HJ/HJT series Rock bits adopts metal seal with journal bearing, which can drill stably with high rotary speed.
The size range of HJ/HJT series Rock bits is from 7 1/2 to 18 7/8 inch, and IADC varies from 117 to 547.For example:8 1/2HJT537G
# MAIN STRUCTURE FEATURES
Metal face seal journal bearing ,New processes of head bearing hardfacing and cone bearing silver plating are used to improve the load capacity ,anti-galling ability an dstability of the bearing .
various shapes of inserts can be equipped on this series Rock bits of bits including scoop inserts, wedge inserts,conical-sherical inserts an double spherical inserts,etc.Drilling process & formation and Rock bit are efficient integrated by scientific insert shape selection to realize safety and high efficient drilling.
For HJT, a row of inserts is added between gage row and heel row to trim borehole wall and protect cone shell.
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