### GD&T Fixed Fastener Condition Tolerance Calculator

**Tolerances, Engineering Design & Limits & Fits **

Geometric Dimensioning & Tolerancing Training

(*This calculator requires a java - enabled browser*)

*This calculator calculates fixed fastener position tolerances utilizing principles and concepts withinASME Y14.5-2009 and ASME Y14.5M - 1994, Geometric Dimensioning and Tolerancing (GD&T).*

**Open Fixed Fastener Condition Calculator**

Negative Tolerance numbers indicate interference.

This calculator will calculate the unknown for the given conditions. __ Four (4) inputs
are required,__See the application illustration at bottom of page.

The following are definitions for the elements:

* Fastener (Shaft) Diameter* - This is the maximum size (MMC) of the bolt, shaft or other feature of size.

* Hole Diameter*
- This is the smallest hole (MMC) for the given feature of size.

* Fastener (Shaft) Tolerance* - The positional tolerance of the installed
bolt, screw or shaft. (Calculator does not compensate for projection zone).

** Hole Tolerance** - This is the clearance hole positional tolerance.

** Clearance (C) **- This is the clearance desired for the hole - fastener (shaft) when the holes are produced at a worst case positional tolerance. This value is set to zero (0) for a line to line fit.

Related Resources:

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- Tolerance Calculator Floating Fastener Condition
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- Hole / Feature Pattern Plot
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- GDT ASME Y14.5-2009 Applications Training
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