Used on the 4 1/2" grinders
Used by machine shops, auto shops, sheet metal-fabricating shops, farmers, truckers, contractors, etc
.020" in thickness
5/8"-11 thread-on arbor for the 4 1/2" grinders
2 3/4" cups are rated to 14,000 rpm, the 3", rated to 12,500 rpm,  and 4" is rated to 9,000 rpm
 
 
 
Product ID:
5155 - 2 ¾” x 5/8-11 Knot Wire Cup Brush 
5157 - 3” x 5/8-11 Knot Wire Cup Brush
5159 - 4” x 5/8-11 Knot Wire Cup Brush 
5163 - 2 ¾” x 5/8-11 Crimped Wire Cup Brush 
5165 - 4” x 5/8-11 Crimped Wire Cup Brush