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Old 01-25-2011, 08:35 AM
bkthomps bkthomps is offline
 
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Default Countersink widths
Does anyone have the table handy of countersink widths, specifically for a #30 in .125 thick metal would be great!

I saw this somewhere and had good intentions to print it out and hang it on my toolbox but now the search is coming up empty
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Old 01-25-2011, 08:57 AM
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aturner aturner is offline
 
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http://www.vansairforce.com/communit...288#post472288
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Last edited by aturner : 01-25-2011 at 09:01 AM.
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Old 01-25-2011, 09:05 AM
bkthomps bkthomps is offline
 
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Originally Posted by aturner View Post
that's only for thinner materials, unless i'm wrong?
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Old 01-25-2011, 07:10 PM
terrye terrye is offline
 
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Default Countersink widths
The referenced post illustrates the max and min diameter of the dimple in a sheet on the side that nests with the next part in the stack, in this case a machine countersunk hole, thus is the range of diameters that are needed in the machine countersunk side. The sheet size stops at .040" since this is the maximum practical dimpled thickness.

BTW, after struggling trying to measure the machine countersink diameter with the points of my digital caliper (and a magnifying glass in some cases!) I found "the right tool for the job". Love to have one, can't justify the cost. See page 205.

www.starrett.com/download/273_p203_206.pdf
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