Quick question Vaughan...I'm assuming you're going to 100% anodize the part, thread and bores. Just wondering how you handled the allowance on the Large ID threads? How much oversize did you cut them?
I did some large camera cases and had fitment problems after anodizing due to variation on the thickness of the anodizing causing tight threads. Ended up having to use O/S taps before I was happy.
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