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10/19/2012 5:00:20 PM EDT
I have a 80% lower and would like to know if anodizing adds thickness to the receiver
10/19/2012 5:27:00 PM EDT
[#1]
Shouldn't make a difference. I have had 1911's that we have had to re-fit when hard chromed though.
10/19/2012 5:29:59 PM EDT
[#2]
anodizing does add thickness - it depends on the process, but IIRC it's -5 +10.
10/19/2012 9:30:47 PM EDT
[#3]
Anodize will usually add about .0005-.001 to each surface. The only place you really need to be careful is in bores that are very tight. You either make things a little smaller (or bigger when it comes to holes or inside surfaces) to allow for the buildup.
Hard anodize will be around 60 rockwell, harder than most cutting tools.
10/20/2012 2:32:37 AM EDT
[#4]
OK cool guys that what i was looking for. Thanks for your replies
10/20/2012 6:40:57 AM EDT
[#5]
Spec for hard ano

•MIL-STD-171, 7.5.1 calls out Hard anodic coating on aluminum, MIL-A-8625*, Type III, Class 1 - thickness 0.002” ± 0.0002” unless otherwise specified, non dyed
•MIL-STD-171, 7.5.2 calls out Hard anodic coating on aluminum, MIL-A-8625*, Type III, Class 2 - thickness 0.002” ± 0.0002” unless otherwise specified, dyed, color to be specified.
10/21/2012 6:52:05 PM EDT
[#6]
The anodizer has some control over the thickness.
Talk to the guy before hand.
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