Drilling out broken screws

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Jim Becker
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Re: Drilling out broken screws

Postby Jim Becker » Sun Aug 28, 2016 11:05 am

If you accidentally drill through, you can thread it clear through. Coat a short stub from a bolt with permatex(or whatever sealer). Screw it in from the inside leaving an original depth hole.

DRaymond
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Re: Drilling out broken screws

Postby DRaymond » Sun Aug 28, 2016 11:08 am

Handy tip. Thank you.
DT Raymond
Spokane, WA
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48 FCUB - Marie
48 FCUB - Lissie
48 FCUB - Gussie
Cub-193 Moldboard Plow
Cub-22 Mower
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mountain4don
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Re: Drilling out broken screws

Postby mountain4don » Mon Aug 29, 2016 11:44 am

With everybody's help and suggestions I drilled the hole with a left handed 1/8" bit and a lot of the left-in-the-hole screw crunched up as the drill bit broke through the back of it. I couldn't get the tapered tap to enter the hole and clean out the rest of it, so I reamed the hole with a #26 bit, the correct size for tapping the hole. Then I could get the tapered tap started, and then cleaned out the rest of the hole with a bottoming tap. And the screw fit the hole good and it appears the threads are the cleaned out original ones. So all is good now. And I would like to thank everyone for their help with this project. Now I need to finish cleaning up the remainder of the fan and all the associated attachments and get this new radiator back in and go mow some grass.
1959 International Cub Lo-Boy W/Fast hitch, 59 Woods, dozer blade, plow
1954 Farmall Super C W/Fast hitch, belly dozer blade
1950 Farmall M


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