Broke a bolt. What do you call it? - Snowblower Forum : Snow Blower Forums
 
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post #1 of 6 Old 09-27-2015, 05:19 PM Thread Starter
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Broke a bolt. What do you call it?

I am in the process of stripping all the paint from the chute. I broke this bolt removing the knob that attaches to it.


It is very low profile, because it's inside the chute. I thought I was pretty familiar with the different fasteners out there, but am not sure what this is. I think they might call it an elevator bolt, but am not sure. It does not have a square shoulder (in a square hole) like a carriage. Nor does it have spikes to go into something soft like the elevator bolts I am familiar with. Instead it has those four flattened bumps that somehow keep it from rotating. Here is the opposite (unbroken) side. The knob was hard to remove on this side, but did come off.

I guess I could file a square hole in the chute and use a carriage bolt, but thought I'd try to find another like this first. But what is it.
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post #2 of 6 Old 09-27-2015, 05:56 PM
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Weld bolt brings up some similar pictures on google. Those look like the studs welded to the frame for the engine mounts on old Ariens.

http://search.buckeyefasteners.com/c...ba-weld-screws

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post #3 of 6 Old 09-27-2015, 06:36 PM Thread Starter
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Thank you Shryp. That does indeed look like what this was.


In fact now that the term "weld" is in my brain, and since I am going to paint this part soon. I could just tack weld anything low profile in before I paint it. Grind it even smoother so that snow does not hang up on it.
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post #4 of 6 Old 09-27-2015, 07:01 PM Thread Starter
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And I just found some replacement knobs. 4 of these for less than 10 bucks shipped. There used to be knobs holding the engine cover on that got replaced by bolts. A 4pack is perfect.
Multi-Knob
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post #5 of 6 Old 09-28-2015, 08:54 AM
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Nice find, those look like long lasting well engineered knobs. For the bolts, just chuck up a carriage bolt in your drill (or lathe if you're lucky) & use a file or grinder to remove the shoulder, done that a few times. If you're worried about damaging the threads in the chuck, use a longer bolt & cut off the damaged part or use 5 or 6 nuts on the bolt (that takes a larger 1/2" chuck though).

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post #6 of 6 Old 09-28-2015, 12:57 PM
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Quote:
Originally Posted by dbert View Post
And I just found some replacement knobs. 4 of these for less than 10 bucks shipped. There used to be knobs holding the engine cover on that got replaced by bolts. A 4pack is perfect.
Multi-Knob
Interesting.

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