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By certification 
Description:
Resin bond diamond grinding wheels are sharp cutting, high efficiency, good self-sharpening, low roughness of workpiece surface, few heat generating and without burning workpiece.
Custom-designed bonds to meet different requirements in production grinding conditions. Had made out super products in hammer, roller, PDC Drill bits, Carbide Drill Bits, Carbide and PCD/CBN Cutting Tools, Ceramic, Glasses, semiconductor，monocrystalline silicon and polycrystalline silicon, Steel and different alloy steel.
Application:
Suitble for both Dry and wet grinding.
Available with technology for the most difficult roughing applications to the finest grinding applications needing a mirror finish.
Specification
Diameter: 10-900mm (900mm diameter is the biggest integral resin bond wheel)
Thickness: 2-300mm
Grit size: 251-4000#
Abrasives: Diamond
http://www.jd-grindingwheel.com/
