ms bolts

[rbs222]

we had ordered 2 bolts with the same part number but one has imprinted on the head MC and the other is AM. i cannot find the difference in any pub i was wondering if anyone knew this meaning?

 

[bf109g]

rbs22 -

Those are manufacturer's codes. If you look on your bolt spec, there's probably something there on head marking.

 

[FieldTeam]

The Bolt Manufacturer.
No other markings?