caliper bolt pin threading confirmation

LIONEL said
Thanks for your reply and advices
yes it's the thread of the bracket damaged
you're right, it's better and more secure to change for new brackets
i will looking for new ones
i see 3208 as reference
I've made some modification for 4,5" bolt pattern and I've after 70 single piston calipers

one question : what do you mean H22A4 "the OP is located in France"

Best regards
lionel
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Looking for new ones? New may not be available but a wanted ad here in the Marketplace forums might get you a good used one or two.
If you aren't comfortable doing a repair, do you have a machine shop near you? A local repair may be cheaper than paying shipping across the pond for a used one.