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.