I'm looking at screws from www.mcmaster.com I don't know which type of screw is best for a counterbored hole. I don't see one that looks right.
SHCS = Socket Head Cap Screw
Alternatively, you can use LHSCS = Low Head Socket Cap Screws
You're quick, Dan
You beat me in 1 sec !
Sockhead is the one and you can tell from the shape of it
Depending on the size of the counterbore, almost any screw head (countersunk styles being the most obvious exception) can be used if the screw head is to be kept flush or below the surface.
Now what number on mcmaster.com tells me how big the hole needs to be for each screw?
Get yourself one of these:
Safety Sign 98867203 - MSC
Safety Sign 98867195 - MSC
I use one every single day.
Here's a better picture:
I'll second that ... I've had mine since the 90's, ouch.
yeah ... I can tell from how it looks now ...
You'll have to find out - machining book is a good sourse of info to find out about the size of the clr. hole
and here is my quick ref
Look close at their web page, they give you a drawing to show dimensions. Also on the left side you can sort on different areas that helps too.
This answer helped. My hole diameter is .14 and I found a screw that's .138. I don't know if that will work, but that's what I'm using.
and that's where the practical experience comes in ... A sheet of paper is about .003" (thousandth's) thick. You've got .002" which would be .001" per side clearance on that 6-32 screw. It may be a bit tight. Typical clearance on most things is a 1/32" (.0312") overall or 1/64" (.0156") per side.
Reference: When I'm sizing a hole for a 1/4-20 SHCS (Ø.250") I'll typically go with a 9/32" (Ø.281) thru hole.
Plus, Solidworks has some built in standards. While, sometimes these need some tweaking, for the most part they are good numbers:
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