American National Standard safety code for the use, care ...
111/16 2 2 [Illegible Text Omitted on Page 47] ... HIGH SPEED FLOOR STAND GRINDERS(1) 12,500 to 16,500 Wheel Diameter Hole Diameter "B" Minimum Flange Diameter "D" Minimum (2) Thickness of Flange at Bore ; 20 24 30: 6 thru 10 12 12: 8 thru 12 15 15: 1 1 ¼ 1 ¼ (1) FLANGES shall be of steel, quality SAE 1040 or equivalent, annealed plate, heat treated to Rc 2530. (2 ...