0.250" hole diameter 0.500" outside diameter 0.063" material thickness od chamferedon recessed side 45.0 deg 0.030 in min 0.040 in max deep cadmium surface treated 15 recessed
0.472" hole diameter 0.840" outside diameter 0.035" material thickness w/2 internal keys, 0.125 in. wide, 0.158 in. from centerline to top of key recessed