SOHC Posted April 20, 2018 Share Posted April 20, 2018 In my haste I snapped a steel mixture screw off in a alloy carb, I think its too small so spark erode and or too deep down to drill. Any ideas on how to get it out? I was thinking a chome stripper bath might brake it down? Quote Link to comment Share on other sites More sharing options...
NickJ Posted April 20, 2018 Share Posted April 20, 2018 How small is the screw? I regularly get 1mm holes EDM drilled 50mm+ If it turns, heat and freeze spray might help loosen it enough to slowly flick it out with a pic Quote Link to comment Share on other sites More sharing options...
SOHC Posted April 20, 2018 Author Share Posted April 20, 2018 58 minutes ago, NickJ said: How small is the screw? I regularly get 1mm holes EDM drilled 50mm+ If it turns, heat and freeze spray might help loosen it enough to slowly flick it out with a pic its about 2.5 or 3 mm, its stuck like chuck Quote Link to comment Share on other sites More sharing options...
tortron Posted April 20, 2018 Share Posted April 20, 2018 Amonium aluminium sulfate (alum om the supermarket spice rack) disolves steel and wont touch e the alloy 1 Quote Link to comment Share on other sites More sharing options...
NickJ Posted April 20, 2018 Share Posted April 20, 2018 Just now, tortron said: Amonium aluminium sulphate (alum om the supermarket spice rack) disolves steel and wont touch e the alloy Really? this I wanna try! 4 minutes ago, SOHC said: its about 2.5 or 3 mm, its stuck like chuck I broke a M4 tap in a part, mate used a 2mm carbide ball mill to gently carve it out Quote Link to comment Share on other sites More sharing options...
tortron Posted April 20, 2018 Share Posted April 20, 2018 Yeah dide, google it its well known Uncle bumble fuck did a vid on it once Quote Link to comment Share on other sites More sharing options...
Mof Posted April 20, 2018 Share Posted April 20, 2018 3 hours ago, tortron said: Amonium aluminium sulfate (alum om the supermarket spice rack) disolves steel and wont touch e the alloy @Threeonthetree Quote Link to comment Share on other sites More sharing options...
SOHC Posted April 21, 2018 Author Share Posted April 21, 2018 22 hours ago, tortron said: Amonium aluminium sulfate (alum om the supermarket spice rack) disolves steel and wont touch e the alloy Thank you, I will look for that. Quote Link to comment Share on other sites More sharing options...
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