Gesswein® EDM Stones - 1/4" x 6" Hybrid, 120 Grit (Pkg. of 12)

This stone removes the tough, hard scale left by the Electric Discharge Machining (EDM) process much faster than any of our other polishing stones.
Contains premium-grade white aluminum oxide abrasive that fractures into sharp pieces (friable) during finishing to extend the life of the abrasive grit.
Medium and Hard tool steels as high as Rockwell C 62.

71.47 $

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Internal Reference: 425-0123