MIYANAGA
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Hard to clog. Original curved shape increases cutting ability.

  • Diamond grains are embedded all over the tool. Safety design that prevents bouncing. The tool can even cut bumps.
  • Substantially increased durability and speed thanks to large diamond grains.
  • Hard to clog.
  • Original curved shape increases cutting ability.

  • For chamfering concrete, stone, etc., surfacing, cutting bumps, and eliminating difference in surface level.
  • For removing elastic films, cutting PVC pipes and wood, etc.
  • For removing mill scales on metal or weld beads.

Outer diameter: 100mm (3-7/8"), 115mm (4-1/2"), 125mm (4-29/32")
Grain size: #30
Applicable electric drill: Electric disc grinders that support disks with a diameter of 100mm (3-7/8").


Outer diameter Part No. Diameter of attachment hole H Grain size
mm inch
100mm 3-7/8" HPD100C030E 22.2mm (7/8") #30
115mm 4-1/2 HPD115C030E 22.2mm (7/8") #30
125mm 4-29/32" HPD125C030E 22.2mm (7/8") #30
Packaged in blister pack cases; 5 disks per box.

  • Do not push the Hyperdia disk with an excessively strong force. Otherwise, it may result in damage or bend.