HomeAppsBooks & ReferenceThread UN/ISO/TrApps like Thread UN/ISO/Tr Here are some great alternatives to Thread UN/ISO/Tr by Dmitry Trofimov : Thread calculator ★4.4 Screw Thread Data Calculator ★4.6 Saddle Stitch - Thread Length ★5.0 Thread Cutting & Calculators ★3.7 Threads Downloader ★4.5 Cross Stitch Thread Organizer ★4.6 Thread pitch gauge ★4.1 BLU Threads ★4.9 Common Threads Market ★4.9 iMachinist ★3.4 Drill and Tap Calculator ★3.4 MechTab ★4.4 Tap And Drill Chart Calculator ★4.5 Timeless Threads ★5.0 Camcut ★3.4 Operating System - CompEduBox ★5.0