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392chryslerhemi

carriage bolt cut or grind?

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392chryslerhemi

Anybody have suggestions on cutting through a 3/8" carriage bolt on a mower deck? I only have about a 1/4" of play between the head of the bolt and the nut so I don't think I could get a pair of bolt cutters in there. I was thinking I could grind the head off? What kind of grinder would I need for this? Thanks, Ryan

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Kenzen

Slow but effective is a dremel tool with a cutting wheel. I'd use an angle grinder with a thin cutting wheel to take the head off - slice into the center of it a few times to cut away the head from the shaft of the bolt.

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rich_kildow

As Kenzen said, a thin cutting wheel is a great way to do this. If you are concerned about staying off the metal, a low grit flap wheel like 60, 80, or 100 will grind that head off VERY quickly. I find flap wheels easier to control when grinding small pieces compared to the rigid grinding disk.

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Marty-MN

Cutting desk is a good choice I also use your reciprocating saw with a hacksaw blade or a cutting torch and in some cases the device no one has a nutcracker to split the nut.

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GrincheyOne

All the above, and as a last resort, that I used when flipping the wear plate on my dozer blade, using a 24" breaker-bar just tighten until the bolt shears. }:):o)sm00

Wayne

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GrincheyOne

one other approach, center punch the bolt head, and sarting with a 1/4" bit drill into the head, then follow with a 3/8 to 7/16" bit to remove the head from the shank.

else, back to the "shear" joy of breaking it off. hopefully it is not a grade-8 bolt. Which, seems to be a popular response to this topic.sm00

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