Thanks CoryPad,
Bumax 109 and Bumax 120 look interesting, but so far have not found out what actual materials or processing they use...seems proprietary.
couple of sizes, the Shank is 4mm or 6mm, they are thread rolled already.
It would be nice to get increased surface hardness and some strength too.
Already pre-drawing the material to increase strength, but need more without loss of corrosion resistance.
Kind of between a rock and a hard...
I am making stainless fasteners with XM-7 or 304HQ stainless but need higher strength and hardness. Has anyone had any experience using the SAT12 hardening process on fasteners or some equivalent process ?
