Hole Sizes and Tolerances


      
	        STANDARD TWIST DRILL TOLERANCES
 
	      -------------------------------------			    	   

 	           HOLE DIA            TOLERANCES
               ------------------------------------
	       .0135 THRU .125           +.004
 		 		         -.001
	       ------------------------------------
	       .126 THRU .250            +.OO5
				         -.001
 	       ------------------------------------
	       .251 THRU .500            +.006
		 		         -.001
	       ------------------------------------
	       .501 THRU .750            +.008
				         -.001
	       ------------------------------------
	       .751 THRU 1.000           +.010
				         -.001
 	       ------------------------------------
	       1.001 THRU 2.000          +.012
				         -.001
	       ------------------------------------