Looking for bolts

[Schurkey]

Remember though, that bolts can be viewed differently if in tension as a 'fastener' (eg cylinder head bolt) or in shear (eg, suspension bush).
The latter are much less fussy about threads - the threads often enough don't have to do much more than stop the bolt from going missing.

True for double-shear.

Not true for single-shear.

 

[thinger2]

Not necessarily, cheap ass Fastenal SS bolts do because they use the same soft alloy for their bolts and nuts. Try Lawson SS fasteners sometime, they're closer to Grade 8 and have a different alloys so they don't gall so easy. But they aren't inexpensive. In food plants we used nothing but SS fasteners.

 

[thinger2]

Yep, it all depends on the alloy.
Stainless comes in many different types for different applications and a lot of it is hard to find.
"L" alloys low carbon can be hard to get especially in any kind of quantity.
And, you have to use stainless in food plants or pharma plants.
Thats building code and state and local health code.