David P Best: 0.020" up from bottom of R8 taper - 0.0002"
David P Best: 0.250" up from bottom of R8 taper - 0.0003"
David P Best: 0.520" up from bottom of R8 taper - 0.0003"
David P Best: 0.820" up from bottom of R8 taper - 0.0003"