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Drilling out Arctic Cat helix bolts Help

Old 01-05-2022, 04:20 PM
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Default Drilling out Arctic Cat helix bolts Help

Got a sled yesterday with a bad secondary. Got it home and figured out what was wrong. Got everything in good shape now other than extracting the three broken off bolts in the helix. Tried drill-press and with the small bit it just wants to bend the bit. Tried heat with a pick and thatís a no go also. Any ideas. Yeah I know I come across some fked up chit bit Tks in advance.


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Old 01-05-2022, 04:26 PM
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try setting a small nut on top and welding it to the broken off bolt.
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Old 01-05-2022, 04:46 PM
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Got get a carbide drill bit...about 5/32", it will drill through that like butter, then you can use a screw extractor (Easy-Out).
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Old 01-05-2022, 04:58 PM
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Originally Posted by SABER28 View Post
try setting a small nut on top and welding it to the broken off bolt.
yup, and weld wonít stick too the aluminum.
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Old 01-05-2022, 05:05 PM
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https://www.harborfreight.com/left-h...yABEgIpdPD_BwE
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Old 01-05-2022, 05:42 PM
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Originally Posted by bajaman View Post
Got get a carbide drill bit...about 5/32", it will drill through that like butter, then you can use a screw extractor (Easy-Out).
make sure its a reverse drill bit
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Old 01-05-2022, 05:49 PM
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welding a nut is the easiest method of extraction,,do it all the time.I only drill if I need to shrink the bolt as its being welded.
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Old 01-05-2022, 05:57 PM
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I have removed more broken bolt with left handed drills than any extractor I have ever tried.
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Old 01-05-2022, 06:14 PM
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Iíll try the left bit. Two of them are down 5/16Ē so welding those two not fix unless Iím not a good welder. Tks
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Old 01-05-2022, 06:40 PM
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Could you drill it out bigger and retap as a last resort
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