figgy Posted December 7, 2016 Report Share Posted December 7, 2016 Had a quick look and can't find a definitive answer. I have bought for my son to use a Beretta 687 Silver Pigeon from 2004 the front bead has sheared off leaving the thread still in, I can drill it out and remove it. My question is what size thread will I neednas I have seen both 2.6mm and 3mm listed, I'm looking fitting at just a plain brass bead as the gun had nice gold birds on the action fences and gold oval in the stock. I'm sure one of the forum gunsmiths will know. Also best place to buy as I would like a spare just in case it falls out at some point. Thanks Figgy Quote Link to comment Share on other sites More sharing options...
shoot and be safe Posted December 7, 2016 Report Share Posted December 7, 2016 I got one from my local gun shop at a cost of £5. He had a card with a selection on of various shapes and sizes. He took one of his guns off the wall of the same make and calibre and picked a beed the same. One thing I will say is that I haven't put the replacement on the barrels yet as my shooting has improved without it. Quote Link to comment Share on other sites More sharing options...
shoot and be safe Posted December 7, 2016 Report Share Posted December 7, 2016 Mine was for a 20b 687el gold pigeon and I have just measured it at 2.5mm. Hope this helps. Quote Link to comment Share on other sites More sharing options...
welshwarrior Posted December 7, 2016 Report Share Posted December 7, 2016 2.6mm and you'll need to drill and tap it out. Quote Link to comment Share on other sites More sharing options...
figgy Posted December 8, 2016 Author Report Share Posted December 8, 2016 Cheers lads i thought it might be the smaller of the two being a game gun with thin rib. We both shot it without the bead no problem and didn't plan on fitting one until shooting under floodlights,could not see where the end of the gun was at all, before people say don't look at the rib bead etc we don't but i usually see it in my peripheral vision. Quote Link to comment Share on other sites More sharing options...
essox022 Posted December 8, 2016 Report Share Posted December 8, 2016 It's a 2.6 thread you have to drill and tap to 3mm beretta do what they call a repair bead it's only a std 3mm bead Quote Link to comment Share on other sites More sharing options...
figgy Posted December 8, 2016 Author Report Share Posted December 8, 2016 I am hoping when i drill it the remaining threads come out leaving clean threads to just screw a new bead in. If not then i will have to drill 3mm and fit the larger bead. Most times ive had to drill out a bolt thread as soon as you start with the tap the old thread just sticks and winds out on the tap. Quote Link to comment Share on other sites More sharing options...
shoot and be safe Posted December 8, 2016 Report Share Posted December 8, 2016 (edited) If you can drill down the centre of the broken beed tap a torx bit into the hole, you should be able to remove the stud without the need to retap. Try putting a few cartridges through the barrels to warm them up a bit before trying to remove the stud. Just a thought. Edited December 8, 2016 by shoot and be safe Quote Link to comment Share on other sites More sharing options...
figgy Posted December 8, 2016 Author Report Share Posted December 8, 2016 Quote Link to comment Share on other sites More sharing options...
daveboy Posted December 8, 2016 Report Share Posted December 8, 2016 Left hand drill bits (run anti-clockwise) are good for removing small broken studs. Quote Link to comment Share on other sites More sharing options...
figgy Posted December 8, 2016 Author Report Share Posted December 8, 2016 (edited) Bet they are not that easy or cheap to get hold of. i have a few sets of screw and thread extractors but don't think they will do 2.5mm. Edited December 8, 2016 by figgy Quote Link to comment Share on other sites More sharing options...
welshwarrior Posted December 8, 2016 Report Share Posted December 8, 2016 How flush has it snapped off I've made but over the years to turn the snapped thread out Quote Link to comment Share on other sites More sharing options...
figgy Posted December 8, 2016 Author Report Share Posted December 8, 2016 Its completely flush. Quote Link to comment Share on other sites More sharing options...
Salopian Posted December 8, 2016 Report Share Posted December 8, 2016 You can possibly drill a hole down the centre , then use the tang of a very small file tapped into the hole and turn the broken thread out. Quote Link to comment Share on other sites More sharing options...
clakk Posted December 8, 2016 Report Share Posted December 8, 2016 We use brass rivets at work to fit id plates to tools ,possibly u could get a gunsmith to braze one on if you cant get the remains out .Gis a P.M if it helps il send u a couple atb Quote Link to comment Share on other sites More sharing options...
figgy Posted December 9, 2016 Author Report Share Posted December 9, 2016 Thanks for the offer clakk but it will get drilled and tapped out to the next size up if needed, Quote Link to comment Share on other sites More sharing options...
clakk Posted December 9, 2016 Report Share Posted December 9, 2016 No probs m8 Quote Link to comment Share on other sites More sharing options...
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