What are your tolerances?

We provide tolerance specifications for the following so you can plan accordingly!

Material thickness
- Learn how we define allowable material thickness variation.

Raw material flatness
- Learn why we don’t provide a flatness tolerance for finished parts.

Cut geometry
- Learn how we define acceptable cut variation from the design as drawn.

Bending / forming
- Learn how we define acceptable variation with bending services.

Tolerance specifications for each material thickness can be found on each material page in our Material Catalog. We have detailed guidance available in our Technical Articles as well!

In Summary

What are your tolerances?

Find cutting, bending, material thickness, and raw material flatness specifications for each material thickness on each material page in our Material Catalog. Be sure to factor these in before uploading your design file to our website for an instant quote!

We provide material thickness tolerances so you can plan accordingly.

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DUNS: 076773502x ‍ ITAR: M45162 CAGE: 97DK6 SAM: Upon Request

We proudly use hardware by PEM

Flush Standoff, 4-40, .250" Zinc plus Clear Chromate

Aluminum: 5052, 6061, 7075 Steel: Mild, G30

SKU	SO-440-8
Thread Size	4-40 x .250″
Hole size in sheet (+0.003/-.0.000)	.168″
Minimum sheet thickness	0.040″
Maximum sheet thickness	.125″
Fastener material	Steel
Minimum distance hole C/L to edge or bend	.250″
When determining the distance between two or more fasteners, you can calculate the distance by the formula, C/L to edge + 1/2 the diameter of the second mounting hole.	.345″
Recommended panel material	Steel/Aluminum
Coating type	Zinc
Length	.250″
Aluminum material ranges (5052, 6061, 7075)	0.040″-0.125″
Steel material ranges (CRS, HRPO, HR)	0.048″-0.119″

We proudly use hardware by PEM

Flush Standoff, 4-40, .250" Passivated

Stainless Steel: 304, 316

SKU	SO4-440-8
Thread Size	440
Hole size in sheet (+0.003/-.0.000)	.166″
Minimum sheet thickness	0.04″
Maximum sheet thickness	.125″
Fastener material	400 Stainless Steel
Minimum distance hole C/L to edge or bend	.250″
When determining the distance between two or more fasteners, you can calculate the distance by the formula, C/L to edge + 1/2 the diameter of the second mounting hole. Example shown with x2 of the same hardware.	.313″
Recommended panel material	Stainless Steel
Coating type	Passivated
Length	.250″
304 Stainless Steel material ranges	0.048″-0.125″
316 Stainless Steel material ranges	0.060″-0.125″