Need dimension of hole in frame

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Model T Ford Forum: Forum 2018: Need dimension of hole in frame
Top of pagePrevious messageNext messageBottom of page Link to this message  By Chad Marchees _____Tax Capital, NY on Friday, January 26, 2018 - 05:17 pm:

This should be an easy one, I need the dimension of the square hole in the front crossmember for the square headed front spring bolt.

My frames hole is wallowed out, from what I assume was a previously loose spring clamp.

Thanks in advanced


Top of pagePrevious messageNext messageBottom of page Link to this message  By John F. Regan on Friday, January 26, 2018 - 05:54 pm:

9/16" square.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Chad Marchees _____Tax Capital, NY on Friday, January 26, 2018 - 06:57 pm:

Thanks John!


Top of pagePrevious messageNext messageBottom of page Link to this message  By Wayne Sheldon, Grass Valley, CA on Friday, January 26, 2018 - 09:02 pm:

John R is right on! How do I know? In a pinch, I have a couple of times used a 5/16 hex headed bolt as the replacement for a broken front spring bolt. The common 9/16 wrench flats are a perfect fit in the hole. Because the stress on the centering bolt head is side-to-side, I grind two opposing points down just enough to fit the square hole, and align the bolt head to keep the un-ground flats on side stress, with the two ground corners pointed front and rear where the small flat doesn't hurt anything.
Knowing all that is how I know the square hole is 9/16.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Chad Marchees _____Tax Capital, NY on Friday, January 26, 2018 - 09:08 pm:

But Wayne, A common modern 5/16" bolt has a 1/2" hex head---not 9/16"

9/16" hex heads are found on 3/8" bolts---at least modern ones.

If I remember right, the front spring bolt is 5/16" diameter---so did you drill the hole bigger in the spring?

But I get where your going, anyway.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Wayne Sheldon, Grass Valley, CA on Friday, January 26, 2018 - 09:32 pm:

Hmm. I may have to go out and look at my bolts? Better take a tape measure and a wrench?

A flailing memory is a frustrating thing.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Chad Marchees _____Tax Capital, NY on Saturday, January 27, 2018 - 07:30 am:

LOL, it's ok Wayne. I understand---trust me, I forget alot of things. I just deal with hardware on a near daily basis, so all that useless info is fresh in my head.


Top of pagePrevious messageNext messageBottom of page Link to this message  By David Stroud on Sunday, January 28, 2018 - 05:27 am:

Wayne, I like that, a "flailing memory" ! :-) Boy does that sound appropriate?!!! :-) Dave


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