Rule 157. A depressed center cutting-off wheel more than 16 inches in diameter shall be mounted with flat unrelieved flanges having matching bearing surfaces not less than 1/4 the wheel diameter.
Mich. Admin. Code R. 408.10157
Rule 157. A depressed center cutting-off wheel more than 16 inches in diameter shall be mounted with flat unrelieved flanges having matching bearing surfaces not less than 1/4 the wheel diameter.
Mich. Admin. Code R. 408.10157