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BUSY BOLTERS Are you one?  The Shop Area
continues to pull in the most views on the Stovebolt. In August alone there were over 22,000 views in those 13 forums.
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| | | Forums66 Topics126,777 Posts1,039,264 Members48,100 | | Most Online2,175
Jul 21st, 2025 | | | | Joined: Mar 2010 Posts: 78 Shop Shark | | Shop Shark Joined: Mar 2010 Posts: 78 | since my pockets are new and did not come drilled for the chain mount what is the location dimension to drill the hole? also was it a square hole...Lou
1951 chevy 3100 short bed frame off resto.
| | | | | Joined: Jan 2017 Posts: 309 'Bolter | | 'Bolter Joined: Jan 2017 Posts: 309 | How do you drill a square hole?? | | | | | Joined: May 2015 Posts: 9,828 Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums | | Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums Joined: May 2015 Posts: 9,828 | How do you drill a square hole?? With a square drill bit, of course.  Just drill a round one and file the corners out. You can just drive the square head (carriage style) bolt in once you get close.
Kevin 1951 Chevy 3100 work truckFollow this saga in Project JournalPhotos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together. | | | | | Joined: Aug 2018 Posts: 1,003 'Bolter | | 'Bolter Joined: Aug 2018 Posts: 1,003 | I do my squares the old fashioned way, with a triangle file (because a square file will leave the corners over 90)
I filed about 2 dozen squares for the metal strips in the box floor
I started with a square file, but it soon became apparent that the reason triangle files exist is because they make square hole much easier
-s | | | | | Joined: May 2015 Posts: 9,828 Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums | | Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums Joined: May 2015 Posts: 9,828 | Those are actually driver bits for square recess (Robertson) screws. A #2 square bit is less than 1/8 inch across, so wouldn't make a very big square hole if used in a hammer drill with rotation turned off. But if a guy made a similar tool in the right size, that would make swageing or broaching a square hole a piece of cake.
Kevin 1951 Chevy 3100 work truckFollow this saga in Project JournalPhotos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together. | | |
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