Replacing compound lock down bolts

[TOOLMASTER]

an aluminum compound?

But coarse threads tighten enough and tend to last longer. And fine threads have a tendency to strip and coarse threads not so much, that's why we use coarse threads in soft metals where there is a low tensile (and thus shear) strength.

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The problem with socket head bolts in this application is the socket fills with chips and that becomes a PIA.

 

[Andre]

I thought we are supposed to be machinists that make parts.

IMO, if your a machinist, you have better things to do than make a bolt you can get for a buck. Like fix the family putty knife! https://www.youtube.com/watch?v=TswAFbALIys

Really though, leave the common parts like a bolt to the suppliers. If you have the time, go ahead. It's great practice, but I'd rather make that diemakers square I've been meaning to make for 2......3......too many months.