Repair of a thread on a SONOR bracket

bracket repair SONOR  bracket which has a bad fixingscrew
bracket repair remove head
bracket repair unscrew bracket
bracket repair disassemble all parts
bracket repair like this

all screws are ok only the tread of the wingscrew is worn out
bracket repair bracket repair this repair part must go in the bad thread so we drill the hole a litte bigger

its now 8,3mm
bracket repair we cut the new thread (special size)
bracket repair you need a special tool
bracket repair to bring the part in the thread
bracket repair like this
bracket repair   bracket repair after its in, the little piece on the end

is removed by  turn the tool 90°

and hit with a hammer
bracket repair put it back on

http://www.baercoil.com

 here you can get the tool