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H1

Symbol of Roll Tap chamfer

【英】困ったときの知恵袋詳細
Roll (Forming) Taps Metric Threads Standard (Screw Threads, Center Holes)
What does the letter "P" represent in the identification markings on a "N+RS G7 M6X1 P" roll tap?
The letter "P" represents the Plug chamfer length of a roll tap for through hole tapping applications. The letter "B" represents a Bottoming chamfer length for a blind hole roll tap.

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