8.8 - 10.9 - 12.9 - 14.9,
others on request

drop-forging, turning, milling,
drilling, interior and exterior spaces,
burnishing, thread rolling

tempering, normalising, surface-
hardening (inductive and in use), hydrogen annealing 

galvanising, mech. galvanising, hot-dip galvanizing, zinc-lamella coating, zinc-iron coating, ion nitriding, copper plating, phosphating, chrome plating, chromating