Congress Stones Alternative

Recommended Congress Stones equivalents for use on most common tool steels. Results may vary depending on hardness of steel.

Designation Congress Gesswein Comments
EDM Polishing RES-CUT EDM Blue EDM Blue will cut a little faster but will leave same finish.
EDM EDM EDM works very similar. Premium White can be used too.
General Purpose
(Aluminum Oxide)
DIESTAR Diemaker Diemaker is very similar and leaves a softer finish.
SUPER SOFT
SUPER Oil Treated Oil Treated is similar. Premium White can also be used.
General Purpose
(Silicon Carbide)
EXTRA SOFT Moldmaker Moldmaker Plus and Moldmaker is very similar.
REGULAR
MOLD MASTER
Specialty Polishing YL Oil Treated
Y2K General Purpose General Purpose is similar with a faster
breakdown.
R-Max & Flex RA
SUPER FINE Diemaker Diemaker will leave a finer finish.
ROUGHING STONE Rough out
Degussit Ruby Stones