I'm replacing some broken bolts in my front Subaru brakes. Specifically these are the 17mm bolts which attach the caliper bracket to the hub / knuckle assembly. The calipers separately attach to those brackets.
I ordered these parts from Autozone as they are specifically supposed to be matching replacements for my vehicle. But I was surprised they had no markings about bolt grade. Since these are the front brakes I don't want to take any chances with using the wrong part or a sub-standard part and thought I should check if this seems fishy or OK to use.
Its a little hard to make out in the photo but there is a semi-triangular marking on the tip of the bolts but I don't think this is the same as a grade marking that would normally be on the head.
Photos of packaging & bolts - the last one is the original bolt, marked with a