Dimensioning Symbols

Symbols

Characteristics American
ANSI Y14.5		 Canadian
CSA B78.2 / ISO 1101
Straightness straightness symbol Same
Flatness flatness symbol Same
Roundness (circularity) roundness symbol Same
Cylindricity cylindricity symbol Same
Profile of a line profile line symbol Same
Profile of a surface profile surface symbol Same
Parallelism parallelism symbol Same
Perpendicularity (squareness) perpendicularity symbol Same
Angularity angularity symbol Same
Position position symbol Same
Concentricity (coaxiality) concentricity symbol Same
Symmetry symmetry symbol Same
Maximum material condition maximum material condition symbol Same
Diameter diameter symbol Same
Circular runout circular runout symbol Same
Total runout total runout symbol Same
Datum feature datum feature american symbol datum feature canadian symbol
Basic dimension dimension symbol Same
Regardless of feature size regardless of size symbol Same
Projected tolerance zone projected tolerance symbol Same
Datum target datum target symbol Same


WASHERS DIVISION of the
Precision Metalforming Association
27027 Chardon Road, Cleveland, Ohio 44143		 Date:
2-1-92
Data Sheet No.
WD1007

Engineering Resources

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