Section R. 408.10128 - Construction of drawn steel guardsRule 128.
(1) A drawn steel guard for an abrasive wheel 8 inches and smaller on a portable grinder shall be as prescribed in figure 3 of R 408.10198 and table 2 of R 408.10199.(2) A drawn steel guard for a depressed center wheel shall be as prescribed in figure 4 of R 408.10198 and table 3 of R 408.10199. The lip, shown as dimension B in figure 4 of R 408.10198, shall curl inward to deflect pieces if an abrasive wheel breaks.Mich. Admin. Code R. 408.10128