SwissTech: M5X0.8 Geen Sp/Pt 371 HSS-EV Nit Tap Manufactured to DIN 371/376 Suitable for the following Material Groups Spiral Point/Gun Nose - HSS-EV Nitride Finish For through holes. Taper lead to DIN form B (3.5 x P to 5.5 x P). Tapping t…View more