Contextual Info: 8 7 6 5 4 3 2 1 39.50 `0.37 mm [1.555 `0.015 in] 35.60 mm [1.402 in] D 1.20 mm [0.047 in] 20.00 `0.42 mm [0.787 `0.017 in] D 42.43 mm [1.670 in] 2 X n0.165 in THRU w n0.230 in X 82.0° 0.30 mm [0.012 in] 23.00 mm [0.906 in] 2.05 mm [0.081 in] 22.93 mm [0.903 in]