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- Honing of non-magnetic drill collars, housings, and other specialist tools (“Internal Honing”)
Honing of non-magnetic drill collars, housings, and other specialist tools (“Internal Honing”)

“Internal Honing”
Honing of non-magnetic drill collars, housings, and other specialist tools
Honing is used after internal machining of welded areas to provide a highly polished finished.