SMI Edge Grinding Wheel, R-Type

Radial Type Edge Grinding Wheel

Semiconductor Materials, Inc (SMI) edge grinding wheels are manufactured with pure virgin diamonds (De Beers) electronically nickel-plated with 100% concentration and distribution. Diamond particle sizes are available in sizes ranging from 15 to 50 microns. They are available in a wide range of sizes and shapes to meet any set of unique specifications. SMI manufactures many different shaped stainless steel wheels in OD sizes of 1 ½”, 2”, 4”, 6”, 8”. The most common Edge Grinding Wheel contour is the R type (Radius) followed by the F type (Flat w/2 Radius). SMI is able to place up to 9 grooves of these shapes on its 6” and 8” single grit diamond wheels, and up to 8 grooves on its dual grit diamond wheels. SMI is capable of manufacturing products to very tight tolerances, which meet or exceed customer specifications. These include: Tolerances on radius of + .02mm, on half angles + ½ degree, and +- .004” on groove depth. Edge grinding wheels with circular runout of < .005”, side runout of <.0001”, Flatness within .0002”, and shaft perpendicularity within .0005”.

SMI Edge Grinding Wheel, R-Type Details

Base Material:

Stainless Steel

Shelf Life:

No Expiration


Each grinding wheel is individually bagged and sealed. Larger orders will be boxed according to the OD of the wheel ordered.

Category - Edge Grinding


Edge grinding wheels do not require specialized storage.


Dispose of in accordance with all applicable local regulations.

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