Anybody use these for drilling out broken bolts in chainsaws or other
equipment? Supposedly, the broken bolt will come out sometimes without
use of an easy out or another type screw extractor.
This trick works spectacularly.
Steel bolt broke flush in aluminum? lay a nut over the broken bolt then fill the nut with the mig welder. Let it sit for a minute, then put a wrench on the nut and back it out.
It works on the toughest bolts. Even broken exhaust studs in aluminum heads.
Had a real nice set some years back that disappeared. But I found a set at Habor Freight of all places that seem to work okay.
For little stuck screws that an EZ out won't work on try a Torx bit. They seem to work better than most EZ outs. Just drill an appropriate sized hole and drive the torx bit in. They seem to work pretty good, don't break easily and don't wedge themselves into the work like a screw type EZ out.
For small broken off studs like 4mm and 8-32, I usually weld a small fender washer to the stud with a mig tack weld, and then weld a nut to that washer. If you "miss" with the tack, just remove the washer and try again. This way is easier than welding the stud into the hole and creating a mess.
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