Um . . . duh. <facepalms> -- Rocky J Squirrel
On Thu, 2011-05-12 at 22:38 -0500, Tom Hargrave wrote: > If that's what you are after then just use aircraft style locking nuts > - the ones with nylon inserts. > > Thanks, Tom Hargrave > www.stir-plate.com > www.towercooler.com > www.kegkits.com > > > -----Original Message----- > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Rocket J Squirrel > Sent: Thursday, May 12, 2011 9:29 PM > To: vanagon@gerry.vanagon.com > Subject: Re: Modified carriage bolts? > > Thanks, all. I realized that I can anti-tamper the bolts simply by > double-nutting them on the farside. They can spin the heads all they > want but the nuts won't loosen. > > On Thu, 2011-05-12 at 18:44 -0700, Richard Koerner wrote: > > > Obviously, the square, rectangular, or oval shoulders under the head all serve the same primary purpose I would think....anti-rotation to torque. So, not sure what your needs are, but there are other useful ways to add anti-rotation to a fastener--like pinning with a cross-holes (dowel pin) for example. Uhh-h-h....maybe even Loctite....depends on what you are doing, materials involved, amount of anti-rotation desired. Spot-weld? > > > > And I guess you could make your own rectangular shoulder with file and a vise. But all depends on if you want to make the side of the square longer or shorter, right?! > > > > Also, there may be an option with a third component, like some sort of washer with....a square hole (ID) to fit your bolt but a rectangular feature (OD) to fit your situation. > > > > Need more specific information to solve. Think outside the box? Yeah....we do that here. > > > > Rich > > San Diego > > > > > > --- On Thu, 5/12/11, Alistair Bell <albell@SHAW.CA> wrote: > > > > From: Alistair Bell <albell@SHAW.CA> > > Subject: Re: Modified carriage bolts? > > To: vanagon@GERRY.VANAGON.COM > > Date: Thursday, May 12, 2011, 6:21 PM > > > > there is an oval shouldered one in this handy ref doc on my blog > > > > http://shufti.files.wordpress.com/2010/06/jg.pdf > > > > > > alistair > > > > > > > > On 12-May-11, at 6:08 PM, Rocket J Squirrel wrote: > > > > > Carriage bolts have a short square section of shank under the head. > > > They > > > are used in square holes. > > > > > > Is there such a thing as a carriage-type bolt that has a rectangular, > > > rather than square, section under the head? > > > > > > -- > > > Rocky J Squirrel > > > '84 Westfalia: Mellow Yellow ("The Electrical Banana") > > > '74 Westrailia: (Ladybug Trailer company, San Juan Capistrano, Calif.) > > > Bend, OR > > > KG6RCR > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 10.0.1375 / Virus Database: 1500/3633 - Release Date: 05/12/11 > |
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