Tolerances

2 place decimals (x.xx)  +/- .020
3 place decimals (x.xxx) +/- .005
4 place decimals (x.xxxx) +/- .0005
Angle Dimensions +/- .5 deg
Drill Sizes (Example: 24, 1/16, or G)     +   .010/ - .000



Concentricity  .003 T.I.R.
Circularity (roundness) .001 Tolerance Zone
Cylindricity .001 Tolerance Zone
Flatness .0005 per sq inch
 Straightness .0005 per sq inch
Angularity .002 Tolerance Zone
Parallelism .0025 per sq inch
Perpendicularity .0025 per sq inch
Surface Finish (turned or milled) 63 microinch
Surface Finish (drilled) 125 microinch
Surface Finish (reamed) 32 microinch
Surface Finish (ground) 16 microinch
Surface Finish (honed or burnished)    6-12 microinch



Case Harden/Carburize  .003 / .005 deep
Black Oxide MIL-C-13924C
Zinc Plate Yellow/Clear
Chromate Cadmium Plate                      QQ-P-416, Class 3, Type 1
Black Anodize MIL-A-8625, Class 2, Type 2