Good quality17 1/2″ IADC 517 tricone rock roller drill bit for well drilling

Good quality17 1/2″ IADC 517 tricone rock roller drill bit for well drilling



Basical Specification
Size of rock bit17 1/2 inches
IADC CodeST517GK
Thread Connection7 5/8 API reg pin
Factory SeriesKE Series Elastomer sealed bearing
Operating Parameters
WOB
(Weight On Bit)
0.35~1.0KN/mm
RPM140-60
FormationSoft to medium formation with low compressive strength, such as medium soft shale, medium soft limestone, medium soft sandstone and medium hard formation with effective hard abrasive interlayer.