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Drilling out Arctic Cat helix bolts Help

Old 01-06-2022, 03:50 PM
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I second the EDM. When I was fixing sleds and any small motor stuff I used EDM regularly to burn out bolts. I had a key way break on a kart racing engine and had the crank welded and burned a new key way with EDM, worked perfect. Other option is to use a center drill from a lathe or mill they are very hard and won't move even when drilling on an angle like your broken bolts. Just make sure everything is clamped down super tight.
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Old 01-06-2022, 05:42 PM
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Had the joy of plowing all day when everything just goes perfect. 😂. NOT! Iíve got a plasma cutter and tig/mig welder. My favorite shop must along with welt band saw. I put the 48/40 on for a quick fix and pulled it over 3 times and the fken pull cord broke. Just the way chit goes. Rewound with new rope and pulled over twice and didnít retract. The way it goesÖ Tks for all the input.
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Old 01-06-2022, 08:47 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.
Originally Posted by SB View Post
yup, and weld wonít stick too the aluminum.
Originally Posted by sutphen 30 View Post
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.
Originally Posted by SB View Post
Anybody mention welding ?
Originally Posted by SB View Post
Has anyone mentioned welding ?
Originally Posted by snapmorgan View Post
Even though the bolts are below the surface, it is a very easy job to build them up with a mig welder and weld a nut to them to remove them.
Originally Posted by SB View Post
Just thinking out loud

anybody mention welding.
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Old 01-07-2022, 07:47 PM
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Weld a nut on the broken bolt?
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Old 01-07-2022, 08:21 PM
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Originally Posted by sailtexas186548 View Post
Weld a nut on the broken bolt?
Thinking about this for a bit, Iíll have to agree.
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Old 01-07-2022, 08:43 PM
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Originally Posted by sailtexas186548 View Post
Weld a nut on the broken bolt?
yep, it does at least two things, first it gives you something you can put a wrench on and secondly it thermally shocks the broken( most likely corroded) and stuck bolt . Works great but I've never done anything as small as a helix.
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Old 01-07-2022, 10:23 PM
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Anyone ever weld out a pressed in bearing race?
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Old 01-07-2022, 10:51 PM
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Originally Posted by zfrilly View Post
Anyone ever weld out a pressed in bearing race?
run a tig arc around the race and it should fall out,,thats how I take out valve seats.
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Old 01-08-2022, 07:11 AM
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Good to know these things!!!
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Old 01-08-2022, 08:20 AM
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Have you tried the liberal use of high explosives???
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