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311mm Three Cone Bit / Oil Rig Drill Head / Tricone Bit for Hard Formation

2025-04-13 introduction 2020
517 537
180hours
ISO 9001:2000
API
Spray-Paint
Forging
Alloy Steel
10 5/8'(269.9mm)
6 5/8"Reg
Journal Bearing
Rubber/Metal
Soft to Hard Rock
Blue,Golden
High Performance
The Best Service
Europe,America,Africa,Middle East
JW
Wooden Case
iadc537
Cangzhou, Hebei, China
82071990
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