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Gesswein® EDM Blue Stones

  • 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.
  • Also available in an All Grit set (one of each grit in 1/2"x1/8" shape) and an Intro set (4 grits in 3 sizes).
Showing 51 - 52 of 52
Item #
Dimension Grit Package Size Stone Shape Price Quantity
5/32" x 5/32" x 4" 400 Pkg. of 12 Square $22.73
Invalid quantity
5/32" x 5/32" x 4" 600 Pkg. of 12 Square $25.81
Invalid quantity
Showing 51 - 52 of 52