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Processing Minimum and Maximum Sizes

Reference this chart for the minimum and maximum part sizes for our processing services.

Min/Max Part Sizes for Anodizing

Anodizing Guidelines
MaterialThicknessMin Flat Part SizeMax Flat Part Size
 
5052 Aluminum.040″N/AN/A
.063″1″ x 3″23″ x 23″
.080″1″ x 3″23″ x 23″
.090″1″ x 3″23″ x 23″
.100″1″ x 3″23″ x 23″
.125″1″ x 3″23″ x 23″
.187″1″ x 3″23″ x 23″
.250″1″ x 3″23″ x 23″
.375″1″ x 3″23″ x 23″
.500″1″ x 3″23″ x 23″
 
6061 Aluminum.040″N/AN/A
.063″1″ x 3″23″ x 23″
.080″1″ x 3″23″ x 23″
.125″1″ x 3″23″ x 23″
.250″1″ x 3″23″ x 23″
.375″1″ x 3″23″ x 23″
.500″1″ x 3″23″ x 23″
 
7075 Aluminum.125″1″ x 3″23″ x 23″
.190″1″ x 3″23″ x 23″
.250″1″ x 3″23″ x 23″

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We proudly use hardware by PEM

Flush stud, M8 x 1.25, .472" Zinc plus Clear Chromate

Aluminum: 5052, 6061, 7075 Steel: Mild

SKUFH-M8-12
Thread SizeM8 x 1.25
Hole size in sheet (+0.003/-.0.000).315″
Minimum sheet thickness0.94″
Maximum sheet thickness.347″
Fastener materialSteel
Minimum distance hole C/L to edge0.378″
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..567″
Recommended panel materialSteel/Aluminum
Coating typeZinc
Length.472″
Aluminum material ranges (5052, 6061, 7075)0.100″-0.250″
Steel material ranges (CRS, HRPO, HR)0.104″-0.250″

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We proudly use hardware by PEM

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

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

SKUSO-440-8
Thread Size4-40 x .250″
Hole size in sheet (+0.003/-.0.000).168″
Minimum sheet thickness0.040″
Maximum sheet thickness.125″
Fastener materialSteel
Minimum distance hole C/L to edge0.230″
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 materialSteel/Aluminum
Coating typeZinc
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

SKUSO4-440-8
Thread Size440
Hole size in sheet (+0.003/-.0.000).166″
Minimum sheet thickness0.04″
Maximum sheet thickness.125″
Fastener material400 Stainless Steel
Minimum distance hole C/L to edge0.230″
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..345″
Recommended panel materialStainless Steel
Coating typePassivated
Length.250″
304 Stainless Steel material ranges0.048″-0.125″
316 Stainless Steel material ranges0.060″-0.125″