Thread pitch is the distance between the same point on adjacent threads of a screw and can be referred to as TPI or threads per inch.
Metric and Imperial - JOKER INDUSTRIAL CO., LTD
English ] What is Thread Pitch ? / How to measure thread pitch ?
Metric Thread Pitch Table - Monster Bolts
Coarse Thread vs. Fine Thread
Thread Pitch and Screw Types
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Thread Pitch - an overview
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Metric Thread Chart - QC Hydraulics
UN imperial screw thread calculator
Screw Thread Pitch - Roton Products, Inc.
Thread pitch gauge - Apps on Google Play
Screw thread - Wikipedia
Common Thread Information: Diameters, Pitch, and Threads per Inch
Thread Pitch Chart