Masinakeermefreesid

Spiral point tap, model B, threading chamfer length 3.5-5xP, ISO metric thread M3, 0.50mm pitch, 6H tolerance class, measurements according to standard ISO 529, 3.15mm shank, 2.5mm square drive, powder metallurgical HSS-E, steam oxide coating, 2.5xD for deep through hole threads, for universal use