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Geometric Dimensioning and Tolerancing Resources
Geometric Boundaries II GD&T Reference Book

The links contained on this page are tolerance charts that I use in my design activities.  Please use with judgment, as your particular design requirements may be less or more stringent.

Notes:

For sizes, .060(#0), .086(#2) composite tolerancing (see ANSI or ASME Y14.5M) is recommended.  Pattern to DRF tolerance dia. .014 or looser (greater).

In applications where recommended positional tolerance is less than dia .012 for either clearance or tapped hole.  The use of flat washers with increased clearance holes sizes should be considered.

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