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Single Roller Cutter/Cone for Tri-Cone Bit/Piling Foundation/HDD Drilling
2025-04-13
introduction 3150
517/537/637
Customized
API
1
Roller Cone
Tungsten Carbide
Well Drilling, Metal Drilling
Cusomized
Different (Ex:517/537/637)
Soft-Hard
Superior
Wooden Box
China
82071910
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