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The Vintage Japanese Motorcycle Owners Group: Discussion Forums

Vintage Japanese Motorcycle Owners Group :: View topic - Rounded bolts


Rounded bolts

 
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strangeman
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Joined: May 29, 2007
Posts: 10
Location: denver, co

PostPosted: Sun Jun 03, 2007 10:19 am    Post subject: Rounded bolts Reply with quote

OK, here goes. What do you guys use for a last resort when you have a bolt that is frozen and the head is rounded?
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sr71cbx
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Joined: Jan 19, 2007
Posts: 410
Location: Burbank,CA/Lake Havasu City,AZ

PostPosted: Sun Jun 03, 2007 12:26 pm    Post subject: Reply with quote



LMAO Mr. Green Laughing Laughing Laughing Laughing Laughing ROTFL

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Steve Adams
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Joined: Oct 18, 2006
Posts: 57
Location: Middle Tennessee

PostPosted: Sun Jun 03, 2007 8:20 pm    Post subject: Reply with quote

If this is a screw that has frozen and you have rounded out the inside, I have drilled them with a small drill bit and used lots of PB blaster and an easy-out. If this is a bolt, I have soaked bolt with large quantities of PB Blaster, applied heat, screamed loudly and used a socket that has that is designed for removing stripped out bolts if there is enough head left for it to grip. These come in different sizes and are commonly available at most well stocked auto parts stores.

Good luck,

Steve
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Steve Searles
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Joined: Oct 03, 2005
Posts: 548
Location: Marshall, MI

PostPosted: Mon Jun 04, 2007 5:47 am    Post subject: Frozen bolts Reply with quote

Many methods. In order: My small vise grips sometimes works, of course the tried and true chisel on the edge of the head and tap with hammer in direction of turn. All of this while soaked in PB BLASTER. That stuff is awesome. I just has a case bolt in my CBX want to stay due to galvanic reaction. Damn, had to drill it out , pick it with a chisel till the remains came out and retap. Bummer but got it.
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Chad
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Joined: May 13, 2008
Posts: 69
Location: Glendale, AZ

PostPosted: Tue May 13, 2008 8:29 am    Post subject: Reply with quote

I am dealing with a lot of bad fasteners on my new CB360. I had success with the Craftsman Bolt Out kit. I think it was $20 at Sears. Basically, I hammered the special socket on the bolt and then hammered on the socket wrench till it freed up. Took some patience and sweat.

http://www.flickr.com/photos/slidell4life/2483108981/sizes/m/
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jimw
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Joined: Jun 25, 2008
Posts: 30
Location: lex, ky

PostPosted: Wed Jun 25, 2008 1:21 pm    Post subject: Reply with quote

The Craftsman Bolt Out kit sounds like an interesting item.

Otherwise, start with hard hits of a hammer on the head to try to crack whatever is holding it. Then you can use a file to try to improve the flats. Use 6 point sockets rather than 12. Try to turn it both ways, not just CCW. When the head finally just breaks off, bring out the drill.... When a frozen nut is the problem instead of a bolt, a nut splitter takes care of that fast. Ouch.
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