- Designed to remove the tough, hard scale left by the Electric Discharge Machining (EDM) process.
- EDM Blue is the harder formulation of our other EDM stones.
- Contains premium-grade white aluminum oxide abrasive that fractures into sharp pieces (friable) during finishing, to extend the life of the abrasive grit.
- Resists breakage & specifically designed for use in reciprocating profilers.
- Medium and Hard tool steels as high as Rockwell C 62.
- Sold in packages of 12