Single roller bit c/w bearing and carbide insert IADC 637 or IADC 737 – diam. 8.5 inch Image

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  • Single roller bit c/w bearing and carbide insert IADC 637 or IADC 737 – diam. 8.5 inch Image
  • Single roller bit c/w bearing and carbide insert IADC 637 or IADC 737 – diam. 8.5 inch Image