Extrusion Tolerance

Information about Extrusion Dimensional Tolerance

Profile tolerances are a key considerations in designing extrusions. Aircraft Extrusion Company understand the mechanics of working with aluminum. For each part we manufacture, we consider wall thickness, profile circumscribing circle size, location of dimension on the profile and the type of profile. We are also able to match the tolerance specifications with the right extrusion press size.

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Dimension Tolerance (inches) Aluminum Alloys
Up thru 0.124 +/- 0.006 All Hard Alloys
0.125 x 0.249 +/- 0.007 All Hard Alloys
0.250 - 0.499 +/- 0.008 All Hard Alloys
0.500 - 0.749 +/- 0.009 All Hard Alloys
0.750 - 0.999 +/- 0.010 All Hard Alloys
1.000 - 1.499 +/- 0.012 All Hard Alloys
1.500 - 1.999 +/- 0.014 All Hard Alloys
2.000 - 3.999 +/- 0.024 All Hard Alloys
4.000 - 5.999 +/- 0.034 All Hard Alloys
Cross-section or profile dimensions +/- .008 per inch of measured dim.
Straightness 0.125 inches x length in feet
Twist 0.5 deg. x length in feet
Flatness 0.004 x width in inches
Wall Thickness +/-10 Percent of wall thickness

While the aluminum industry provides standard dimensional tolerance guidelines for extruded aluminum profiles, flatness and twist, contours, straightness. The experience our team brings to each project allows us to compensate for those unique situations where standard tolerances will not be successful in the end-use part application. We understand that each extruded profile has critical features that are important to its performance. Our expertise helps us determine when tolerances must be tightened in order to achieve the fit, form and functional requirements of the end applications.

Our Capabilities

Custom Design

We work with you to develop the most cost-effective and optimal design for your product with our design engineers and with custom-made dies.

Rolled Extrusions

New advanced equipement and design development aircraft extrusion company can now offer rolled extrusions.

CNC Machining

CNC Milling up to 4ft x 12ft parts, including seat tracks and secondary oporations aluminum profiles in 7075 and 2024

Seat Tracks

Standard and none-standard types of seat tracks in stock. We also provide milling services for the round slots on the tracks.

Roll-Form Stringers

A great selections of formed angles, channels, hats and tee's in both 2024 Clad and 7075 Clad. In addition, we also have forming capabilities


We cut to size 7075 and 2024 extruded profiles, sheet, plate and form section. In-house cutting ops help reduce time, cost and shipping weights

Some of Our Clients