WebConcrete Screws 1/4 x 1-1/4 Phillips Blue ... TITEN&; TTN25114PF 10 Pack (100 T) W/D: Il & Sc novelfull.to, 100% Authentic Concrete Screws 1/4 x 1-1/4 Phillips Blue Tapcon Zinc-Plated Simpson ... Drill the hole to the specified embedment depth plus /2" to allow the thread tapping dust to settle and blow it clean using compressed air ... Web10 dec. 2016 · 7. Use 1/4" diameter Tapcons (the 3/16" screws are worthless). Drill the hole with a 3/16" masonry drill bit with a hammer drill, one inch farther than the fastener is long, pulling the bit out of the hole several times as you go to clear the spoils, being careful not to ream the sides as you do.
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Web15 jul. 2009 · We are using 3/16 tapcon screws that are 2 3/4" long. We have rented a hammer drill, and are using a 5/32 bit to drill into the concrete. We are drilling down 1/4" longer than the screw, but the screws don't seem to be tapping into the concrete. Our screws will go in so far, but then the head of the screw gets stripped, despite brand new … Web24 nov. 2024 · If the material is too abrasive and the lead thread is worn down during installation, the Tapcon® screw will stop tapping threads. This continued torquing of the … port of orange texas
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Web12 aug. 2010 · on Sep 18, 2024. Tapcon screws are self-tapping screws used to fasten materials such as metal, wood and foam to masonry or concrete. They are also known as confast screws, masonry screws, self-tapping screws, blue screws, and titens. Tapcon is a brand name that came from part of the definition of this type of screw, “taps its own … Web26 jun. 2024 · The holding values of tapcons will deteriorate if they are reinserted into the same hole. Sleeve Anchors: Drill the hole twice the length of the sleeve anchor being … WebI'm a GC, I've used both DMX with osb and DriCore. I have to say I prefer DriCore. That said if you're going the DMX route you definitely want to tapcon it down. Plywood and osb tend to cup and warp which can lead to a bouncy floor down the line if its not held down. DMX recommends 15 screws per sheet of plywood/OSB. iron hill investments