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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Jul 21st, 2025 | | | | Joined: Aug 2018 Posts: 729 'Bolter | | 'Bolter Joined: Aug 2018 Posts: 729 | It seems that I am constantly running into holes that don't quite line up, and need to be elongated. I've used rat tail files, shaft mounted stones, and drill bits to get this done. I suppose that the file is the only one of these methods that's actually correct. Stones get eaten up real fast, and drill bits were never designed for that. So, I've wondered about trying to use an end mill mounted in a hand drill. I've tried rasps in a drill, but they aren't real easy to use. So, I'm hoping that you guys can educate me on the best tool for this purpose.
Mike Burns
1940 Chev 1/2 ton
1953 Chev 1/2 ton
1950 Studebaker Starlight Coupe
1947 Indian Chief
1943 Indian 741
| | | | | Joined: Oct 2005 Posts: 4,168 "Hey! I sound like Darth Vader!! | | "Hey! I sound like Darth Vader!! Joined: Oct 2005 Posts: 4,168 | One of my techs needed to elongate some holes today. The quickest, most accurate way he found was to use a Milwaukee mini belt sander, then finish up with a rotary file in a die grinder. | | | | | Joined: May 2015 Posts: 9,830 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: 9,830 | What Mark said. If you don't have a die grinder, a drill motor works OK, but the higher speed of a die grinder is better. I have a set similar to THIS.
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: 729 'Bolter | | 'Bolter Joined: Aug 2018 Posts: 729 | I do have a die grinder. I'll pickup a set of those rotary bits like the ones in your link. One big advantage to doing everything yourself is that it gives you an honestly legitimate, and justifiable reason to buy more tools. THANKS
Mike Burns
1940 Chev 1/2 ton
1953 Chev 1/2 ton
1950 Studebaker Starlight Coupe
1947 Indian Chief
1943 Indian 741
| | | | | Joined: Feb 2004 Posts: 28,674 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 28,674 | I use an electric die grinder, and a speed controller to tailor the speed of the carbide burr to the job. After I wore out several air die grinders and a compressor or two porting and polishing race engine cylinder heads, I decided that a 1/4" shank carbide burr in an electric grinder was the way to go. Sandpaper "cartridge rolls" to do the final shaping. www.ebay.com/itm/256894944599? www.ebay.com/itm/316673589763?Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
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