ThreaDoctor: Advanced Thread Calculator (UN, M, NPT)
International Thread Standards
Thread Data Charts-METRIC THREAD -- ELECTRICAL THREAD -- Pg
ISO Metric Thread Basic Profile
Thread calculator - Apps on Google Play
Metric Threads | Trojan Special Fasteners Ltd | Specialist Nuts Fasteners | Nuts Bolts Washers | Precision Polygon Turning | Fastener Manufacturer
Metricthread
Gauges for checking metric threads - example results
Screw Threads Calculator for Internal Unified Inch Screw
Metric screw thread: M Profile calculator
Limits for metric (standard) coarse threads | Bossard Australia
External Metric Thread Table Chart and Fastener Sizes M1.6 - M18
ThreaDoctor: Advanced Thread Calculator (UN, M, NPT)
06］Thread Designation & Dimensional Calculation | Technical Information | SIAM IKEUCHI CO., LTD.
Pitch Diameter of Thread Formulae and Calculator
ISO Metric Threads
ISO Metric Thread | Metric Thread Chart | Apollo International
Metricthread
ThreadTech™ v2.24 Thread Engineering Software
ISO Metric Threads
Thread calculator - Apps on Google Play
Lead Screw Design Calculator – Metric – ISO 2904-1977
Machinist's Calculator - Measure threads across 3 wires
Screw Thread Tolerances & Profiles - RoyMech
