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13 Φεβ 2015 · Imperial unified national screw thread calculator; Diameters, tolerances, v-shape, lead angles.
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The ThreaDoctor includes 4 sub-apps: Metric Thread Calculator, UN thread Calculator, NPT thread Calculator, and BSP thread calculator. United Inch Screw Threads Per ASME B1.1. UNC – Coarse pitch thread. UNF – Fine pitch thread. UNEF – Ultra fine pitch thread. UN – Constant pitch (##-UN) thread. Metric Threads Per ISO 68-1, ISO 261, and ...
ASME UN screw thread calculator to calculate imperial unified screw thread basic major, minor, pitch diameters and thread tolerance for the external (bolt) and internal (nut) inch threads according to ASME B1.1 standard.
When it is desirable for design purposes to calculate the minimum diameter, it can be obtained for all classes by the formula: minimum pitch diameter minus 0.64951905P. Related: Screw Threads Calculator for Internal Unified Inch Screw
Thread Calculator and Chart for metric thread, npt thread, bsp thread, unf thread, unc thread, acme thread, bspp thread, un thread, bspt thread, pipe thread, stub acme thread and buttress thread.
Possible Diameter/Pitch combinations. The Unified Thread Standard (UTS) defines a 60° thread form in Inch dimensions as described in the ASME B1.1 standard. It is the North American equivalent of the ISO metric thread system.
1/4 - 28 UNF : Basic Thread Dimensions (Pitch, minor & major diameters, depth, lead), Tolerance range for all applicable classes and much more