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tap-con screws

woodbutcher

woodbutcher

Well-known Member
In the past when I bought tap-con screws, they came with a bit of the proper size included. I bought a pack of 25 yesterday at the big box near me, and there wasn't a bit in the pack. I noticed a display of bits made by tap-con hanging on the corner at the endcap. The bit for these quarter inch screws tapers up to a half-inch shank, but it's made with a keyway slot on one side and two oval slots opposite each other in such a way as to keep a regular chuck from seating its three keepers. In trying to use it, it wobbles like it has a bend in it. Is there some special tool made to use with this kind of bit?

Butch
 
That bit was made for an SDS drive hammer drill. If you have a plain ol chuck on your drill you need to by a regular shank mason bit,
 
There is a special tool for Tapcon screws - bit fits in one end and driver in the other. I had one in my hand yesterday, but I didn't open the package to look at it closely. I remember the bridge carpenters using the tool, and it seemed to be the cat's meow for Tapcon installation. I don't know if the bits that you are referring to are for this particular tool.
 
Use a 5/32 masonry bit.
Add either a 14 or 12 gauge bare copper wire to the hole.
If you were to use a 16p nail, you may never be able to remove the nail. The copper mashes and makes a very tight fit.

I use copper wire and deck screws to attach things to the masonry wall. Drill in the mortar joint.

The wire gauge depends on the hardness of the mortar.

Try it and report back..
 
As posted the package you picked up was for use with an SDS drill motor. I have gotten the packages with the regular shank drill bits to use in 3 jaw chucks as well. Check the display next time and see if there are packages with both types of bits on it.

Yes, the old copper wire and nails will work, but Tap-Cons and Hilti Kwik-Cons are a step forward in technology. A quick and easy way to mount things. They are great for concrete patches, easy on and easy off for small forms.
 
Use cement coated sinkers and epoxy coated tie wire. The friction generated heat welds everything together.
 
I have posted about using a wire and nail several times here. Cost is about 1/4 of a tap con and you get superior holding power
Tap cons are for amatures.
 
Cost wise, the cost per connection is much cheaper using a 1/4 masonry bit and a wire and 16p nail. But appearance and holding power may be improved using the tapcon or other connection devices. Slot dimple slot (SDS) bits are made for hammer drills that do not require a chuck key to tighten on the bit. I use both tapcons and hole wire nail connections. Each has its advantages. gobble
 
Yep, it works. I tried George's suggestion with a deck screw and three 5d finish nails. That will save some time and money on this project.

Butch
 
How does the copper wire and a deck screw work. I like the tap-con when putting down a plate. Locate the plate, drill through it into concrete and then put in the t-p screw. Could you do the same with a copper wire and deck screw? Might need a washer?
 
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