Set of ring gauges VOLKEL M3-4-5-6-8-10-12 (16491_)

VOLKEL hand tap M12x1.75; No. 3 (27650-3)Easily processed materials up to 900 N/mm2;unalloyed and low-alloy steels;universal;for manual and machine use;for through and blind holes.Specifications:Material (Alloy): HSS-G;Tolerance: ISO2(6H);Thread standard: Left hand thread DIN 13..