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Thread: Nuts/Bolts/Pins for sled ramp
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09-20-2022, 09:25 AM #1Registered User
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Nuts/Bolts/Pins for sled ramp
I have a 3 fold sled ramp that is now in 2 pieces. 2 of the 3 pins are missing and one is pretty fkn bent. I'm trying to replace the pins to keep in running as its in good shape otherwise. The problem is there are no manufacturer markings on it and the bolts seem to be impossible to track down. Anyone have magic internet skills for finding a 9/32 x 4" (could also been a 7mm) clevis style pin, or carriage bolt with a nut would also be ok. Ideally something shipped from Canada but will take whatever i can get.
I've been using it tied together with tiedowns when loading/unloading last year and it would still work but just want something a little more reliable tbh.
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09-20-2022, 09:59 AM #2Registered User
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Can you go 5/16" or 8mm diameter? 9/32" doesn't look to be a standard size, so I'd be surprised if that was the size used. Check this McMaster Carr page, though... Just about every possible option. If you can't find one pre-made, I'd buy steel rod in the right diameter, cut it to length, drill two holes on either end to pass cotter pins or key rings through to keep it in place.
If you can find it on McMaster but they won't ship to CA, drop me a PM. If you ship it to my house, I can receive it and send it back out headed to you.
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09-20-2022, 10:25 AM #3Registered User
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This is what i'm finding so strange about it. Seems like it's such a rare size hence the post. I guess i could look at drilling it out to 5/16 but not sure I want to fuck around with the ramp that much.
I measured with digital calipers so unless those were off. Looking at it IRL the 1/4 looks much skinnier and the 5/16 definitely fatter.
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09-20-2022, 10:30 AM #4
9/32" = 0.281" and 8mm = 0.276". That's 0.005" difference. Just stick an 8mm clevis pin or bolt in there and call it a day.
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09-20-2022, 10:32 AM #5Registered User
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09-20-2022, 10:48 AM #6
What's important here is the size of the hole that the pin/bolt needs to go through. Measure that and report back.
How much load are these things holding when the ramps are being used? My guess is not much? Is a little slop going to significantly impact the functionality? I highly doubt that a snowmobile ramp needs to have a super precise fit and downsizing your bolt/pin to the next available common size whether that be a metric or standard size is probably not going to be a problem. 1/16" or more clearance on the diameter between the bolt/pin and the hole is very common.
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09-20-2022, 10:50 AM #7Registered User
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Yeah totally. I was thinking about just putting 1/4" in there with a real nut and washer rather than clevis pin as i think that could work. I just didnt realize how rare 9/32 so was pretty sure I would be able to find it online if not in the local shops...
I mean it held fine with 1 pin and some tie downs so the 1/4 seems like not a terribe idea.
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09-20-2022, 12:39 PM #8
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09-20-2022, 12:55 PM #9Registered User
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09-21-2022, 10:31 AM #10Registered User
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Aren't you in Canada ?
Princess auto has all that stuff for trailersLee Lau - xxx-er is the laziest Asian canuck I know
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09-22-2022, 09:11 AM #11Registered User
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