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
1075 Blue Temper Steel.015″N/AN/A
 
2024 T3 Aluminum.025″N/AN/A
 
4130 Chromoly.050″N/AN/A
.063″N/AN/A
.125″N/AN/A
.190″N/AN/A
.250″N/AN/A
 
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″
 
ABS.125N/AN/A
.187″N/AN/A
.250″N/AN/A
 
Acrylic.118″
(all colors)
N/AN/A
.177″
(clear)
N/AN/A
 
ACM.118″
(black, white, brushed)
N/AN/A
.236″
(black, white)
N/AN/A
 
AR400.250″N/AN/A
 
AR500.119″N/AN/A
.187″N/AN/A
.250″N/AN/A
.375″N/AN/A
.500″N/AN/A
 
Baltic Birch Plywood.125″N/AN/A
.250″N/AN/A
.354″N/AN/A
.472″N/AN/A
 
Brass.040″N/AN/A
.063″N/AN/A
.125″N/AN/A
.187″N/AN/A
.250″N/AN/A
 
Carbon Fiber.040″N/AN/A
.063″N/AN/A
.079″N/AN/A
.118″N/AN/A
 
Chipboard.030″N/AN/A
 
Copper.040″N/AN/A
.063″N/AN/A
.125N/AN/A
.187″N/AN/A
.250″N/AN/A
 
Cork (Gasket Grade).063″N/AN/A
.125″N/AN/A
 
Delrin.125″N/AN/A
.250″N/AN/A
 
G10/FR-4.063″N/AN/A
.125″N/AN/A
.250″N/AN/A
.375″N/AN/A
 
G30 Steel.036″N/AN/A
.048″N/AN/A
.059″N/AN/A
 
Hardboard.125″N/AN/A
 
HDPE.250″N/AN/A
.375″N/AN/A
.500″N/AN/A
 
LE Phenolic Linen.125″N/AN/A
.250″N/AN/A
.375″N/AN/A
 
MDF.125″N/AN/A
.250″N/AN/A
.375″N/AN/A
.472″N/AN/A
 
Mild Steel.030″N/AN/A
.048″N/AN/A
.059″N/AN/A
.074″N/AN/A
.104″N/AN/A
.119″N/AN/A
.135″N/AN/A
.187″N/AN/A
.250N/AN/A
.375″N/AN/A
.500″N/AN/A
 
Polycarbonate.118″N/AN/A
.120″N/AN/A
.220″N/AN/A
 
304 Stainless Steel.030″N/AN/A
.048″N/AN/A
.060″N/AN/A
.074″N/AN/A
.100″N/AN/A
.125″N/AN/A
.187″N/AN/A
.250″N/AN/A
.375″N/AN/A
.500″N/AN/A
 
316 Stainless Steel.063″N/AN/A
.125″N/AN/A
.250″N/AN/A
.375″N/AN/A
 
Titanium Grade 2.040″N/AN/A
 
Titanium Grade 5.040″N/AN/A
.060″N/AN/A
.125″N/AN/A
.187″N/AN/A
.250″N/AN/A
 
UHMW.375″N/AN/A
.500″N/AN/A

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

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 0.230″
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 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″