ThreaDoctor: Advanced Thread Calculator (UN, M, NPT)
Thread calculator - Apps on Google Play
Metricthread
ANSI External Screw Threads Size Tolerances Chart
Metric Trapezoidal Thread Calculator
G-Wizard Machinist's Calculator: Threads - CNCCookbook: Be A Better CNC'er
Screw Threads Calculator for Internal Unified Inch Screw
Metric screw thread: M Profile calculator
Screw Thread Tolerances & Profiles - RoyMech
International Thread Standards
ISO Metric Coarse And Fine Thread Dimensions | Optimas
Metric Fine Thread Data - Newman Tools
Thread Calculator
Machinist's Calculator - Measure threads across 3 wires
ISO Metric Threads
ISO Metric Thread | Metric Thread Chart | Apollo International
ISO Metric Thread Basic Profile
Clearance fit on metric ISO threads
06］Thread Designation & Dimensional Calculation | Technical Information | SIAM IKEUCHI CO., LTD.
Thread Calculator
ISO Metric Threads
Limits for metric (standard) coarse threads | Bossard Australia
File:ISO and UTS Thread Dimensions.svg - Wikipedia
Thread Dimensions: A Complete Guide - EngineerExcel
Pitch Diameter of Thread Formulae and Calculator
Screws Nuts Washer Sizes - RoyMech
