Tangential Charts

Unified & NPT/NPTF Threads

RSVP Tooling, Inc. - Tangential Thread Rolling System - Unified & NPT/NPTF Threads Charts

Standard Rolls For
Rolling Heads "X" Indicates Standard

For Designed Head Size "S" Indicates Special

Standard Roll Widths

RT10 Rolls Available In:
4MM, 6MM, 8MM, 10MM, 12MM, 14MM, 15.5MM

RT20 Rolls Available In:
6MM, 8MM, 10MM, 12MM, 14MM, 16MM, 18MM, 21.5MM

RT30 Rolls Available In:
8MM, 10MM, 12MM, 14MM, 16MM, 18MM,
20MM, 22MM, 24MM, 26MM, 28MM, 30MM

Thread Rolls Are Interchangeable With:
RT10 with T12 RT20 with T18
RT30 with T27

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For Metric & Whitworth Pipe Threads

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