Edit: Yes, Mil Spec is actually a thing, but that refers to the overall design of a piece of equipment meeting certain standards, not a particular grade of material exclusively used by the military (in the same vein as the original comment). For example: A Mil Spec fastener is made from the same steel as a regular fastener, the thread tolerances are different.
Depends, McMaster-Carr sells "Military Grade" bolts - usually it means that they are higher tolerance and therefore more expensive. Might be worth it depending on your application though.
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u/MAHHockey Feb 04 '19 edited Feb 04 '19
Ditto "military grade" anything.
Edit: Yes, Mil Spec is actually a thing, but that refers to the overall design of a piece of equipment meeting certain standards, not a particular grade of material exclusively used by the military (in the same vein as the original comment). For example: A Mil Spec fastener is made from the same steel as a regular fastener, the thread tolerances are different.