Lay your other nozzles to rest with the one nozzle that may just outlive you. The Undertaker Nozzle is full body K20 Grade Tungsten Carbide, no inserts - we didn't stop at just the tip and we didn't use any other materials. This is a V6 style nozzle.
When we set out to develop our own nozzle, we know right away what it had to be. Tungsten Carbide is one of the hardest materials on earth (9 Mohs), has the thermal conductivity of Brass and very low thermal expansion. This nozzle will survive abrasives and anything your printer can throw at it.
We do not carry hardened steel nozzles because we believe this is truly superior in every way. For the most part, unlike steel nozzles which have relatively low thermal conductivity, you can swap out your brass nozzle for the Undertaker and keep your printer profiles unchanged!