*Name
Grinding Wheels
Series 57 Tool Post Grinder 2 1/4" Internal Spindle Insert
Dumore offers a range of grinding wheels, spindles and spindle inserts for the Series 57 tool post grinder 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 |
| 4 | = | For steels of Rockwell C60 hardness and higher |
Grinding wheels for the Series 57 tool post grinder internal spindle inserts are made from aluminum oxide.
The 2 1/4" Internal Spindle Insert (423-0006) handles 1/4" bore diameter standard grinding wheels up to 1 1/2" wheel diameter, 5/8" wheel thickness. Its maximum recommended speed is 32,500 rpm.
See additional spindles and spindle inserts for Series 57 tool post grinders.