API 9 7/8'' IADC216 milled tooth tricone rock bit for oil drilling

Size

 9 5/8

IADC

216

Bearing Type

sealed bearing

Thread Connection

API reg pin

WOB(KN/mm)

0.4~1.1

RPM(r/min)

120~6

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

6”  (152.4mm)

9 7/8” (269mm)

12 1/4” (311.1mm)

7 1/2” (215.9mm)

10 5/8” (269mm)

15 1/2” (394mm)

8 1/2” (250mm)

11 5/8” (295mm)

17 1/2” (445mm)