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Home Repair (alt.home.repair) For all homeowners and DIYers with many experienced tradesmen. Solve your toughest home fix-it problems. |
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#1
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Remove carriage bolts from concrete
Im trying to remove some carriage bolts that were used to secure the base of a temporary wall into a concrete slab. Whats the best way to remove them?
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#2
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Remove carriage bolts from concrete
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#3
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Remove carriage bolts from concrete
The head is actually whats exposed. Is there a good way to extract it?
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#4
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Remove carriage bolts from concrete
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#5
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Remove carriage bolts from concrete
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#6
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Remove carriage bolts from concrete
In alt.home.repair, on Wed, 22 Jan 2020 20:29:32 -0800 (PST),
wrote: The head is actually what’s exposed. Is there a good way to extract it? Doesn't it have a square section just below the round head? |
#7
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Remove carriage bolts from concrete
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#8
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Remove carriage bolts from concrete
On Thursday, January 23, 2020 at 1:08:42 PM UTC-5, Vic Smith wrote:
On Wed, 22 Jan 2020 19:56:59 -0800 (PST), wrote: Im trying to remove some carriage bolts that were used to secure the base of a temporary wall into a concrete slab. Whats the best way to remove them? If you don't have one, buy, borrow or rent a Sawzall. Or a cutting torch. You don't generally need that. When I worked in a factory we removed bolts sticking out of the floor constantly. We'd have a machine bolted down then change to some different technology and the bolts had to go. They were usually in a drilled hole and anchored, with threads up so you could put the plate down and crank a nut down to hold them, so it's not quite the same as having the bolt head out, but the same method would work. Whack them with a big hammer. They break off flush. If you use a sawzall you're going to have to follow up with an angle grinder to get the little edge off. |
#9
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Remove carriage bolts from concrete
Must be one big hammer...
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#11
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Remove carriage bolts from concrete
On Thursday, January 23, 2020 at 2:59:50 PM UTC-5, Thomas wrote:
Must be one big hammer... No. I would guess (it's been a while) a 3 pound hammer, 1/2 to 5/8 inch bolts. You'd be surprised how brittle they are. Hit them fairly hard and they snap instead of bending. Never had to grind one down like you would if you used a cutoff saw. |
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