Size 12 1/4'' (311.1mm) triconebit

IADC 537G

Bearing Type elastomer sealed bearing

Thread Connection 6 5/8 API reg pin

WOB(KN/mm) 0.4~1.1

RPM(r/min) 120~60

Applications Medium to high abrasive formations, such as hard shale, hard limestone sandstone,

whinstone, flintstone, granite, quarts sandstone, hard dolomile, hard limestone, pyrite, etc

Circulation system Mud / water