We supply depressed center wheels (type 27):
Abrasive kind:A,WA,C,GC,ZA,A.C
Grain size:46-90
Grade:N-T
Max speed:80m/s,100m/s

Diameter:4",4 1/2",5",6",7",9"

Thickness:1/8",1/4",5/32"

Recommended grades:

A24N:Fast grinding wheel recommended for medium alloy steel,Fast stock removal and good life.
A24R:General purpose application on mild, low and medium alloy steel,cast-iron, weld beads,carpentry steel. Good stock removal long life.
A24S:Wheel recommended where a heavy duty stock removal is required, for example application in foundrieson mild and medium hardness steel, casting.Fast stock removal and long life.

A30P:Recommended on stailnless steel,high alloy steel, very hard cast-iron. The wheel is with low iron and sulphur content for application in nyclear power stations and rust-free applications.Good stock removal and cool grinding.
A30N:Aluminium and bronze, other non ferrous metals. Wheel exempt from loading. Good stock removal and long life.
C24R:General purpose application on masonry, concrete and other buildingmaterials, semi-hard and grey cast-iron.Fast stock removal and long life.
packed in carton