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Mod | | | Forums66 Topics128,151 Posts1,057,000 Members48,460 | | 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!
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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: Oct 2006 Posts: 9,671 'Bolter | | 'Bolter Joined: Oct 2006 Posts: 9,671 | You should be able to drill them, run the drill slower than you normally would and use a cutting oil on it or something like Tap Magic. It's more about being tough rather than hard but if you get it hot drilling it you can work harden the material.
DG
Denny G
Sandwich, IL
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