Fluteless machine taps for metric ISO threads
Materials
Al Si cast alloysAl wrought alloysAlloyed case hardened steelsAlloyed heat-treatable steelsAluminium and Al-alloysBrass, long-chipping
Bronze, long-chippingCommon structural steelsCopper, low-alloyedFree-cutting steelsHigh speed steelsNitriding steels
Spheroidal graphite iron and malleable cast ironSpring steelsStainless steels, sulphuredStainless steels,austeniticTi and Ti-alloysTool steels
Unalloyed case hardened steelsUnalloyed heat-treatable steels