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Hey! I didnt know quite what forum to put this into, but i figured someone here might know. I need a really strong easy out for getting out some tough bolts. I broke a craftsman and some off brand already so i want to try one of the best ones. Any ideas? Thanks!
Hey! I didnt know quite what forum to put this into, but i figured someone here might know. I need a really strong easy out for getting out some tough bolts. I broke a craftsman and some off brand already so i want to try one of the best ones. Any ideas? Thanks!
What size of bolts? Where are they located? What type of extractors have you tried? Can you use heat?.....
Need more info before being able to give a better answer. Use the biggest that you can, try a left handed drill bit and I have seen maint. use a engraver to help back a broken bolt out after they break it loose. Might also soak it with a spray with PT blaster to help the situation a little.
Ah yes.......the joy of snapping a bolt and THEN breaking the easy-out. After the air gets turned blue, you try to find a NASA grade drill bit to go into the hardened easy-out to remove it to get to whatever is left of the snapped bolt. The hole then gets elongated and virtually unrecognizable as a mixture of hard steel/mild steel and cast iron and all of this while you are inverted and twisted up underneath the engine.
Dontcha' just love the thrill of this nutty obsession we all have of building it ourselves???
Best advice-go slow, use lots of AeroKroil and pray to the gods of hotrodding. Even the best NASCAR Crew Chiefs have done this before and gotten out of trouble.
I've had better luck with just drilling the bolt out as large as possible and chiseling of a section of it and taking the threaded remains out is pieces. It takes more time and your fist center hole has to be more precise but I don't have to deal with a broken hardened tool steel ez out this way.
I've had better luck w/ square type easy-outs than the twisted kind. It helps if you heat the area up, then spray it with a penetrant while it's hot. This seems to draw the penetrant in better. If you drill the hole too big, the easy-out will expand what's left of the bolt, making it even tighter. At that point, drill it out to the minor diameter of the thread (you can look it up on a chart), then try to get the remaining threads out. I worked at a marine engine rebuilding shop, and we had some luck welding a piece onto the broken bolt, as long as it's not too deep, and you're good w/ a welder. Another trick is to use a left-hand drill bit with the drill motor running in reverse. This tends to encourage the stud to come out of the hole, rather than run the risk of screwing it deeper into the hole.
I would like to meet the person who named the tool "easy-out" there is nothing easy about it . Drill it out larger and try to chisel out the remaning threads or get out the welder .
That's fine, except that doesn't solve the problem of having a broken extractor you're going to struggle to drill out.
The candle trick or welding a bolt/stud/nut to what's left is usually the best method at this point.
I started saving studs/bolts I've welded nuts to. The coffee can is 1/2 full. I'm not sure why I save them, probably as a reminder that easy-outs suck.
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