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Straightness
Symbol: ?
Type of Tolerance: _____
Definition: _____
- Symbol:
 - T.o.T.: Form
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Flatness
Symbol: ?
Type of Tolerance: _____
Definition: _____
- Symbol:
- T.o.T.: Form
- Definition: Flatness is a condition in which all elements are in one plane.
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Circularity
Symbol: ?
Type of Tolerance: _____
Definition: _____
- Symbol:
- T.o.T.: Form
- Definition: Circularity refers to a condition of a circular line or the surface of a circular feature where all points on the line or on the circumference of a plane cross section of the feature are the same distance from a common axis or center point.
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Cylindricity
Symbol: ?
Type of Tolerance: _____
Definition: _____
- Symbol:
- T.o.T.: Form
- Definition: Cylindricity is a condition of a surface in which all points of the surface are the same distance from a common axis
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Profile of a Line
Symbol: ?
Type of Tolerance: _____
Definition: _____
- Symbol:
- T.o.T.: Profile
- Definition: A Profile of a Line tolerance may be directed to a line of any length or shape.
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Profile of a Surface
Symbol: ?
Type of Tolerance: _____
Definition: _____
- Symbol:
- T.o.T.: Profile
- Definition: Profile of a Surface indicates a tolerance zone having the same form as the basic surface, with a uniform width equal to the specified tolerance within which the entire surface must lie.
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Perpendicularity
Symbol: ?
Type of Tolerance: _____
Definition: _____
- Symbol:
- T.o.T.: Orientation
- Definition: Perpendicularity is the condition of a surface at 90° to a datum plane or axis.
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Angularity
Symbol: ?
Type of Tolerance: _____
Definition: _____
- Symbol:
- T.o.T.: Orientation
- Definition: Angularity is a condition of a surface or axis at a specified angle (other than 0° or 90°) for a datum.
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Parallelism
Symbol: ?
Type of Tolerance: _____
Definition: _____
- Symbol:
- T.o.T.: Orientation
- Definition: Parallelism is the condition of a surface equidistance at all points from a datum plane.
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Symmetry
Symbol: ?
Type of Tolerance: _____
Definition: _____
- Symbol:
- T.o.T.: Location
- Definition: ?
-
Position
Symbol: ?
Type of Tolerance: _____
Definition: _____
- Symbol:
- T.o.T.: Location
- Definition: Position defines a zone within which the center, axis, or center plane of a feature or size is promitted to very from the true position.
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Concentricity
Symbol: ?
Type of Tolerance: _____
Definition: _____
- Symbol:
- T.o.T.: Location
- Definition: ?
-
Circular Runout
Symbol: ?
Type of Tolerance: _____
Definition: _____
- Symbol:
- Type of Tolerance: Runout
- Definition: Circular Runout provides control of circular elements of a surface. The tolerance is applied independently at any cross section as the part is rotated 360°.
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Total Runout
Symbol: ?
Type of Tolerance: _____
Definition: _____
- Symbol:
- T.o.T.: Runout
- Definition: Total Runout concerns the runout of a complete surface, not merely the runout of each circular element.
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