... size 12 (ball diameter 4.000 mm). The currently smallest thread measuring insert size 0-200 with a ruby ball diameter of 0.200 mm is designed for measuring threads up to size M1.7. The thread measuring inserts are available individually or in a wooden protective box as sets of 12, 13, and 14.
Signal conditioning modules from Peter Hirt are specifically designed for the measuring probes T with TESA®...