8 1/2" IADC517/637 Single Roller Cone Bit for Core Barrel and Piling Foundation Single Cutters Segments API Roller Bit Palm Video,Demo, How It Works & Features

2025-04-09 2850

Product Specifications

517/637
Impact Drill
Well Drilling
API
Silver
Customized
Metal Seal, Rubber Seal
Tungsten Carbide
New
Forging
Journal /Roller Bearing Bit
High-Efficiency, Wear Resistant
Ruishi
Plywood Box or as Required
8 1/2" 12 1/4" 17 1/2"
China, Cangzhou
820719
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