Diamond Wheels from Colonial Abrasive Tools

Grey Wheels
	Premium A/O Semi-Friable Grain. Used primarily for bench and pedestal offhand grinding of H.S.S Tools
Green Wheels
	Premium silicon carbide grain. Used primarily for bench and pedestal offhand grinding of carbide and ceramic tools.
White Wheels
	Premium friable grain. Used primarily for grinding hard tool steels. Cool cutting on heat sensitive material. Light stock removal, .001 or less per pass.
Pink Wheels
	Premium A/O light bright pink grain. Primarily used for surface grinding of hight content chrome steel. Excellent for use on heat sensitive materials and exotic alloy materials.
Ruby Wheels
	A/O dark red color. Excellent for use in tool and cutter grinding as well as surface grinding of steel tools.
Orange Wheels
	Premium A/O grain with clay induced bond. Fires out orange to brick red. Used for tool grinding when trying to hold a radius or sharp corner. May alos be used when form grinding.
Blue Wheels
	Ceramic grain. Available in 20% thru 50% mixtures with premium A/O grains. Excellent for grinding steels with 40 or greater Rockwell hardness. Faster stock removal with longer wheel life.
Diamond Wheels
	Premium diamond wheels