Drill Collar with slip and elevator recesses with hard banding
Drill Collar with slip and elevator recesses with hard banding
01 Design & working procedure Conform to the requirment of API Spec 7
02 Non-API standard type of drill collars are also available as per client'request
03 Cold-rolled thread roots
04 Thread connections are performed with stress relief grooves
05 phosphated threads applied
06 With slip & elevator recesses
Drill Collar with slip and elevator recesses with hard banding
