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Grinding Wheels
Series 12 & 25 Tool Post Grinder 12" External Spindle

Grinding Wheels | Dumore Series 12 & 25 Tool Post Grinder 12" External Spindle

Dumore offers a range of grinding wheels for the Series 12 and Series 25 tool post grinders to meet the majority of grinding applications.

Each grinding wheel has a "Use Code" designating the intended use:

1 = General-purpose. For steels up to Rockwell C45 hardness
3 = For stainless steels, Rockwell C45-C59 hardness steels, and all stainless steel based plasma spray coatings


Grinding wheels for the Series 12 and Series 25 tool post grinder external spindles are made from aluminum oxide.

The 12" External Spindle (807-0011) handles 1 1/4" bore diameter standard grinding wheels up to 12" wheel diameter, 1 1/2" wheel thickness. Its maximum recommended speed is 4,000 rpm. Use of this spindle on Series 12 tool post grinders also requires the Series 12 Spindle Adapter Kit (858-0034).

Also see grinding wheels for use with the 8" External Spindle (807-0016), up to 8" wheel diameter, or grinding wheels for use with the 8" Internal Spindle (799-0028) or 16" Internal Spindle (799-0029), up to 6" wheel diameter, on Series 12 and Series 25 tool post grinders.