E513 M3,5x0,35 No. 3 Machine tap

Straight flute tap NO3, threading chamfer length 2-3xP, ISO metric fine thread M3.5, 0.35 mm pitch, 6H tolerance class, measurements according to standard ISO 529, 3.15 mm shank, 2.5 mm square drive, HSS, bright, 1.5xD for deep blind or through hole threads, for carbon and unalloyed carbon steel, copper or alloyed copper