VOLKEL hand tap M2.5x0.45; No. 1. No. 3 (27322-1-3)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..