This hardened steel pin is produced as a compatible replacement for OEM part number 0666671800 and serves as a critical wear component in the rotation head assembly. It is engineered to withstand heavy rotational loads, vibration, and cyclic stress common in high-output drilling operations. The pin contributes to stable rotation and precise load transfer. Typical applications include FlexiROC D65, Boomer series rigs, PowerROC D55, SmartROC D65, and various ROC drilling platforms.
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