1.1245" outside diameter a. groove both faces 1/16 in. deep, 1/8 in. w, 45 deg apart, b. drill 2 holes thru, 1/8 in. dia, 45 deg apart on center of periphery plain
1.7495" outside diameter a. groove both faces 0.063 in. deep, 0.125 in. w, 45 deg apart, b. drill 2 holes thru, 0.125 in. dia 45 deg apart on center of periphery plain