WALTER PROTOTYP, 3/8"-19 Thread Size, 15.00 mm Thread Lg, Pipe and Conduit Thread Tap - 429C28|P24569-G3/8 - Grainger
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Thread Data Charts-R-SERIES PIPE THREAD (BRITISH STANDARD PIPE TAPER = BSPT)PT-SERIES PIPE THREAD (JAPANESE PIPE TAPER)
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Hertel - British Standard Pipe Tap: 3/8-19 BSPT, Bottoming Chamfer, 4 Flutes - 88244975 - MSC Industrial Supply
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BSW BSPP BSPT Pipe Tap Size Pitch (TPI) Drill Size (inch) Pitch (TPI) Drill Size (inch) Pitch (TPI) Drill Size* (inch) 1/16 60 0
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