introduce produce:8-1/2" iadc 537 roller cone
The parameter of the IADC 537 roller cone
Bearing:rubber sealed bearing
payment terms:L/C T/T
transport package:wooden case
gauge protected
Applicable formation:medium soft with low compressive strength and harder abrasive steingers,such as hard shale,hard gypsolyte,soft limestone,sandstone and dolomite with stringers,etc.
date_rangeFeb 07' 2019 / India
date_rangeOct 27' 2018 / China
date_rangeOct 25' 2018 / China
date_rangeOct 24' 2018 / China