転がりカッター ビット10-1/2インチTCIの三円錐形ビットAPIオイル ビット

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July 12, 2023
Video Description:
Discover the high-performance Roller Cone Bit 10-1/2 Inch IADC 437 TCI Tri-Cone Bit API Oil Bit, designed for middle to hard rock formations. This TCI bit features tungsten carbide inserts, sealed bearings, and multiple shirttail protection options for optimal drilling efficiency.