- 8 1/2'' IADC 537 API tricone bit & tricone drill bit & rock roller bit
- 2016-11-03 18:56
- APIISO standard 8 1/2 IADC 537G tricone bit1.Specifications1-81/2IADC 537TCItriconebit2-Jettypesealedbearingtriconebit3-
- Air Cooling Bearing Tricone Bit
- 2016-10-30 22:58
- Product Description:Here Hejian Solidkey Petroleum Machinery Co,ltd.Serving chinese and international drill bits for 30
- 3 3/4'' IADC211 Non-Sealed Bearing Steel Tooth Tricone Bit
- 2016-10-23 15:00
- Product Description:Here Hejian Solidkey Petroleum Machinery Co,ltd.Serving chinese and international drill bits for 30