Untitled Document Metric Fine M 22 x 0.75 22 mm Form B Solid Die Mf Form B Solid Dies are designed to cut a thread in one pass. Suitable for non abrasive material up to 800 N/mm2 unalloyed and low alloyed steel. Dies are to din 223 Spec in HSS and Tolerance 6g. O/D 55 x 16 mm Manufactured in Germany.