"8MATL STEEL CARBON FS1040 TO FS1050 OR FS1141 SPEC QQ-S-633 125 MICROINCHES FINISH,TWO HOLES 0.193 IN DIA 82 DEG COUNTER SINK 0.406 IN DIA 1.500 IN @DIA BY 0.750 IN LG 0.750 IN LG C TO C OF EA HOLE FLAME OR INDUCTION HARDEN BALL RACE PER SPEC 57-209"