Can Anyone Here Explain Why This Worked?
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Old 07-17-2009, 11:56 PM   #21
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Re: Can Anyone Here Explain Why This Worked?

I've never used those screws, but why would you want to? There's lots of other ways to anchor something to concrete; pins, expansion bolts, two 16d nails inside the hole, powder gun.

But wouldn't you notice it on the screw if the threads were reversed?

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Old 08-01-2009, 10:09 AM   #22
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Re: Can Anyone Here Explain Why This Worked?

It is hard to explain.Good luck with you.
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Old 08-01-2009, 10:38 AM   #23
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Re: Can Anyone Here Explain Why This Worked?

Quote:
Originally Posted by stp57 View Post
I was drilling 3/16"x2" holes in 2 week old concrete for 1/4" Tapcon screws last week for a HO. My roto hammer didn't have a problem making the holes, but when I tried using the same tool to put the screws in (like I usually do with no problem), they would only go half way in & lock up. I drilled the holes deeper & vacuumed the holes out, but still the screws only went halfway. I even tried my impact driver to no avail. I didn't pull my hammer drill out of the truck to try it because I was already embarrassed enough that the HO was witnessing all of this.
The kick is, that when I went to get a fresh battery the HO dragged out his Riobi cordless drill & screwed all of the Tapcons in while in reverse! Can anyone here explain why this happened? The HO swears that the screws have left handed threads? All I know is that my industrial tools appear to have gotten whupped by a Riobi drill & not even a hammer drill!
Steve
I only buy hex head tap cons and drive them with an air powered impact wrench. (you know like the ones used to remove your lug nuts). (make sure you use a properly rated impact socket - black ones)

I've never had a problem. 1 3/4 to 4" tapcons all submit to the the terror of the air powered impact wrench.

I also keep everything the same. 1/4 tapcons, 1/4 bits... keep everything concrete related 1/4 inch eliminates any guessing later after the packaging is gone. What sized bit do these things needs? Oh yeah, 1/4 inch.
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Old 08-01-2009, 11:58 AM   #24
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Re: Can Anyone Here Explain Why This Worked?

You sure you had the 3/16 bit for the 1/4 tapcon and not the 5/32 bit which is for the 3/16 tapcons? I've made that mistake and the tapcons willl lock up like you described. Not sure how they can be reversed in?? I dont know how you would even discover that?
We use a lot of tapcon over here as everything is made out of concrete.

Cheers Jim
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Old 08-01-2009, 12:36 PM   #25
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Re: Can Anyone Here Explain Why This Worked?

Funny story.... I think it's coincidience. You could have used it to your advantage though and told the HO he has the skills so he better do all the Tapcon work

I used to hate tapcons, but I finally learned to have patience. Like Mike said, hex head 1/4" I do the same thing, always the same so I know the bits!! I also buy 2 drill bits at a time.

I don't know what it is, but there's always a couple screws that wont go. I figure rebar, mesh, stone, something so I just pull out the screw, drill a fresh hole and start over.
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Old 08-02-2009, 02:01 AM   #26
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Re: Can Anyone Here Explain Why This Worked?

Is there a reason not to use a ramset? I mean, it would be a hell of a lot faster, would it not? The bullets and nails aren't any more expensive, and the guns, even the nice ones, are right around the $100 range
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Old 08-02-2009, 08:22 AM   #27
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Re: Can Anyone Here Explain Why This Worked?

Hey Mike,
You must have been the campaign director for that SNL joker that just got elected to the U.S Senate after 4000 recounts?
Steve

Quote:
Originally Posted by Mike Finley View Post
I only buy hex head tap cons and drive them with an air powered impact wrench. (you know like the ones used to remove your lug nuts). (make sure you use a properly rated impact socket - black ones)

I've never had a problem. 1 3/4 to 4" tapcons all submit to the the terror of the air powered impact wrench.

I also keep everything the same. 1/4 tapcons, 1/4 bits... keep everything concrete related 1/4 inch eliminates any guessing later after the packaging is gone. What sized bit do these things needs? Oh yeah, 1/4 inch.
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Old 08-02-2009, 10:22 AM   #28
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Re: Can Anyone Here Explain Why This Worked?

Quote:
Originally Posted by maninthesea View Post
You sure you had the 3/16 bit for the 1/4 tapcon and not the 5/32 bit which is for the 3/16 tapcons? I've made that mistake and the tapcons willl lock up like you described. Not sure how they can be reversed in?? I dont know how you would even discover that?
We use a lot of tapcon over here as everything is made out of concrete.

Cheers Jim

I have both but my eyesight is so bad i cant tell the bits apart after a few uses and carbide tip wear.
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Old 08-02-2009, 11:51 AM   #29
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Re: Can Anyone Here Explain Why This Worked?

Quote:
Originally Posted by S Winklepleck View Post
Is there a reason not to use a ramset? I mean, it would be a hell of a lot faster, would it not? The bullets and nails aren't any more expensive, and the guns, even the nice ones, are right around the $100 range

I kind of agree with this, you can get a ramset, fastners and shot for under $100 at the home centers. Much faster then TapCons.
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Old 08-02-2009, 11:56 AM   #30
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Re: Can Anyone Here Explain Why This Worked?

Ramsets suck for basement walls. There I said it! We use to use them a lot back in the 80's and I'm glad we don't anymore. First you have to use the right charge. Too big, you blow a big hole, too small, you shoot again. Also, ever have to move a wall after its built? Much easier with tapcons. Not to mention the noise the ramsets make. I bet the cost is a wash.
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Old 08-03-2009, 11:19 PM   #31
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Re: Can Anyone Here Explain Why This Worked?

Quote:
Ramsets suck for basement walls.
Save even more cash and just use fluted nails and a hammer.

I find them WAY faster and WAY less annoying then hearing a dozen hammerdrills going off at onece.

Quote:
I don't know what it is, but there's always a couple screws that wont go. I figure rebar, mesh, stone, something so I just pull out the screw, drill a fresh hole and start over.
Like I said, they are crap unless you use the right tolerance of bit for the right masonry, overdrill the hole and clear it out. Voila
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