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Click on image for the lowdown. 
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| | | Forums66 Topics128,014 Posts1,055,331 Members48,419 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
| | THANKS!
For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Jun 2012 Posts: 60 Wrench Fetcher | | Wrench Fetcher Joined: Jun 2012 Posts: 60 | I have convinced myself that square fasteners were used because they were CHEAP and they were dropped when technology and modern manufacturing methods made hex head fasteners viable . I am not a purist so I use whatever works well . IMHO
Allan
1946 GMC
1949 Mercury M68
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