StacksVerified U.S. regulatory reference

30 CFR §57.14115

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Stationary grinding machines, other than special bit grinders, shall be equipped with—
  1. (a)Peripheral hoods capable of withstanding the force of a bursting wheel and enclosing not less than 270°—of the periphery of the wheel;
  2. (b)Adjustable tool rests set so that the distance between the grinding surface of the wheel and the tool rest is not greater than 1/8 inch; and
  3. (c)A safety washer on each side of the wheel.