Hi All, I was curious: What factors do you use determine the depth of a tap drill for bottom tapped holes?
We mainly machine 316 stainless, and usually use the depth callout of the thread PLUS 2.5 x PITCH. Of course, someone asked me WHERE I got this standard from, and I really couldn't answer him with any concrete spec. I am sure that there is precedent for this written down SOMEWHERE. Any ideas where? Thanks, Regards, Stephen Alfaro Manufacturing Engineering Group - Nuclear Products Flowserve Corp. - Los Angeles
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