SwissTech: M16X2 Blue Sp/Ft 376 HSS- EV OX Tap Spiral Flute (BLF) - 'Biteless Flat' ISO Metric Coarse HSS-EV Oxidised Finish. For shorter blind holes. Taper lead to DIN form C (3 x P). Tapping tolerance to 6H. Manufactured to DIN 371/376. '…View more