screw problem

S

SVanderkolff

Well-Known Member
The folder I am making calls for 0-80 stainless screws on the bolster and 0-80 black anodized screws on the slabs. The shaft of the black screws are .060 while the stainless are .058. I use a #55 drill and tap with an 0-80 tap. The stainless fit great but the black will not fit in the holes. If I try and force them through in order to strip off the oxidization they simply break in the hole. Any suggestions?
Thanks
Steve
 
I had this problem recently And just steped up to the next size bit and retaped. It worked fine.
 
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