Gesswein
Gesswein® EDM Stones 1/4" x 6" (Triangular)
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$53.45 CAD
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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.
Sold in Packs of 6