"CARBON STEEL COMP 1116 THRU 1119 SPEC-S-637,CASE HARDEN ALL OVER,CASE HARDNESS FILE HARD ROCKWELL C 60 FILE,3.280 IN. L,0.600 DIA W FIRST END,1.3730 M 1.3735 P IN. W SECOND,SECOND END DRILL 1.1775 M 1.1975 P IN. DIA 0.820 DEEP COUNTERSINK AT 60 DEGREES T0 1.240 DIA"