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Paraffin scraper

A tube with guides around it to keep it centred in the hole, and a cylindrical piece with blades attached. Spaces between the blades allow drilling fluid to pass through and carry away the scrapings.

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Penulis

  • Harry8L
  • (London, United Kingdom)

  •  (V.I.P) 574128 poin
  • 100% positive feedback
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