Jan 22, 2022 · I have little experience with concrete screws and don't know their weight-bearing capacity. Would four (4) 5/16"-diameter ("heavy duty") tapcon anchors, each 3" in length, …

May 17, 2020 · I'm attempting to use tapcon 1/4in by 2.75in concrete screws to affix something to a wall of poured concrete, but it's only going about 3/5 of the way in before refusing to go any …

Dec 10, 2016 · I'm trying to drive a 2 1/2" long 3/16" diameter Tapcon into a 50 year-old concrete slab/subfloor to attach a new toilet flange. The instructions on the case of …

Feb 4, 2015 · So you can expect the wood to be fine with only 3 positions along it secured to the floor. A 3/16 tapcon, embedded in normal concrete one inch deep has a sheer strength of over …

The tapcon 3/16" screws called for a 5/32 mortar bit hole which I used, but when I drilled the tapcon screws into the mortar they felt loose, as if the hole was too big.

Feb 18, 2016 · Tapcon screws with the washer are a very good choice if you might be moving things. Make sure to use the correct size drill bit (some boxes come with the right bit).

Oct 21, 2021 · I drilled the hole longer than the Tapcon, cleaned it out well but the Tapcons keep breaking when installing them (I use a 1/4" impact driver). The head is fine but the actual bolts …

May 18, 2023 · I am using 4-in blue Tapcon screws to attach 2x4s to a brick wall. The picture shows a top board where it worked just fine. I was able to drill the hole using a 3/16 in …

Apr 14, 2023 · Tapcon™ screws, as their name implies, work by cutting (tap ping) a thread into a predrilled hole in con crete. I wouldn't expect that to work well, if at all, in a less granular …

Jan 19, 2012 · Hi, Is there a reason for the wedge anchor to be more commonly used than the "Tapcon" for example: LDT (large diameter tapcon) by RED HEAD with 5/8" diameter and 3.5" …