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Caliper bolt source
Doing big brakes and looking for a source for caliper to adapter bolts. Need
M12 x 1.5 x 95. Could use some help!!! THANKS !!! Cole |
Howdy,
I looked through my Metric & Multistandard Components catalog and didn't find 12MM - 1.50 thread, the 12 MM had 1.75 thread. I assume you're asking for a socket head cap screw? If you're looking for a hex bolt then MM has the 12MM - 1.50, but only shows lengths at 90MM and 100MM. Have you tried our host, then you might try Metric & Multistandard in Dallas - 800 527-5177 I hope that helps... |
You need socket head screws to attach the adapter to the caliper, correct? The M12 x 1.5 fine pitch is somewhat rare. The bolts I got when I had 993 fronts adapted to my car were OEM bolts from Porsche. I believe they were from a Boxster but I recall them being a bit shorter than i'd like. I believe they were 70mm.
A search of the parts diagrams resulted in a maximum bolt length of 80 that I could find. Even my favorite metric fastener suppliers don't offer much in 1.5 pitch. I'll keep hunting but it doesn't look promising. Metric & Multistandard Component Corp. (www.metricmcc.com) does custom stuff if you call them direct. |
Thanks a Million Guys !!!
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the question is, Why do you need such long bolts?
930 used 12x1.5x40 front and rear the longest I've seen are 993RS/tt front @ 12x1.5x77 |
Hi Bill,
From the bottom of the counter sink on the caliper to the caliper / adapter mating surfaces is 42mm. The threaded mounting hole on the adapter is 50mm deep. The adapters are pretty beefy. I probably could go a little shorter but figured I was going to have to order them anyway so I might as well use all the threaded surface. By the way I just got home from Mayo Clinic and operations 5,6,and 7 yesterday, feel like I got run over by a rototiller but everything went well. Wanted to thank you again for all your help with the brakes and for your well wishes. THANKS !!! Cole |
Cole,
I believe that from an engineering standpoint that if you have the diameter of the bolt (12MM) of threads in the hole, that's all required... I hope you have speedy recovery. |
I've had good luck getting odd bolts and things from http://www.belmetric.com/ Their catalog has almost the exact the bolt you are looking for. M12 1.5 x 90 should be perfect if you still want to go that long.
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Quote:
I would recommend Maryland metric for your metric needs unless you are a business. http://mdmetric.com/ -Chris |
They did not mention that to me when I put in my order last year. If they don't want our small order business, I'll go somewhere else. I'm sorry to hear that. I was very happy with them and the selection they had.
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Mitch,
I got a kick out of your post. Your correct the length of the captured thread is sufficient to hold the fastener if it is equal to or greater then the the bolt diameter. I laughed because I'm always telling the kids that work for me the same thing even though as an, old fart, I still like to see the end of the bolt sticking out of the threads. THANKS !!! |
thanks John !!!
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Cole,
I agree... I restore airplanes and they want at least one thread beyond the nut. I guess, "more is better". Take care, |
After all this Did you find your bolts never mind I only have two.
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$12 for 5 of these.....
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