Doc Marks Posted June 5, 2021 Share Posted June 5, 2021 EDIT: I was able to confirm its M4x.7 for anyone looking for the answer in the future. Bought a used Pietta 51 Navy. Detail stripped it to discover the trigger/bolt spring screw threads are stripped in the receiver. Does anyone know the size and thread pitch of this screw (listed as same part number for the wedge screw as well)? I’d prefer to put a helicoil in there if I can find one rather than drill and tap it to a new size. thanks in advance Link to comment Share on other sites More sharing options...
Sedalia Dave Posted June 5, 2021 Share Posted June 5, 2021 You can buy a Helicoil kit from Amazon https://www.amazon.com/Highking-Tool-Thread-Compatible-Repairing/dp/B07Z5LT1LY/ref=sr_1_3?dchild=1&keywords=M4+x+0.7mm+Thread+Repair+Kit&qid=1622914602&s=industrial&sr=1-3 Link to comment Share on other sites More sharing options...
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