Thread: What are the best bits to use for drilling bolt heads (safety wire)?
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Old 01-14-2002, 03:48 PM
CCX33911 CCX33911 is offline
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Cobra Make, Engine: Contemporary, 427 EFI; CAV GT40, 427W
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I would love to be able to use predrilled bolts, and I own a ton of them. Unfortunately I need course thread bolts 1/2" x 1.25" to mount the top of my Jag IRS diff. There is one type of course thread aircraft bolt, but I have never been able to locate them.

Do you have a source for course thread drilled Grade 8/aircraft strength bolts?

It is common practice to drill bolt heads and the temperatures are not a problem (see various books by Carroll Smith, etc.).

Thanks
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Gary
CAV GT40 Dealer
www.2gmotorsports.com
Last edited by CCX33911; 01-14-2002 at 03:58 PM..
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