Hardware

[Dennis]

I was looking at the Standard Hardware 1928-1931 guide and noticed a few pieces that didn't seem to go with some of my hardware, but I'm sure more was changed than I first thought. As an example I notice about every vendor that sells valve chamber cover bolts are hex head raven, but in the Standard Hardware they are supposed to be round head bolts, B-39 which look like an ordinary round head 5/16-18 x 3/4". I don't think I have ever seen a round head bolt yet on a valve chamber cover. I also noticed a lighting switch handle washer introduced in June 1930, I wonder where that goes. I don't have a parts book, maybe somebody that has one can clarify that.
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[Tom Wesenberg]

Chevrolet had lots of round head screws, and that's why it's called the "stove bolt six" engine.
Some engine bolts on the Model A have a dome head, but all the cover bolts are hex in shape, and not round.

To help clear up some confusion about "bolts" and "screws", I've noticed Ford likes to call them "screws" if they go into a threaded hole, and call them "bolts" if they have a nut of the end to secure it.

[Dennis]

Tom, I edited my post with images from the Standard Hardware guide that is published by MARC and MAFCA. I don't have a parts book so I can't compare what is listed there. Guess I better start looking for one so I don't have dumb questions. I remember Jim Mason posting about a bolt that eluded him for years.

[Tom Wesenberg]

20718 is listed as a hex head in my 1931 Parts Price List.

[Dennis]

Thank you Tom

[Mike V. Florida]

Chevrolet had lots of round head screws, and that's why it's called the "stove bolt six" engine.
Some engine bolts on the Model A have a dome head, but all the cover bolts are hex in shape, and not round.

To help clear up some confusion about "bolts" and "screws", I've noticed Ford likes to call them "screws" if they go into a threaded hole, and call them "bolts" if they have a nut of the end to secure it.

Check this out, http://civilengineersforum.com/bolt-...ew-difference/

[Dennis]

Mike, way too many popups.

[Mike V. Florida]

Since I use ad blocker I don't get them and often forget to check when making the links. Sorry about that.

[Mitch]

Here is what Mike V posted:



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