Concrete Screw / Screw Anchor (Tapcon-style)
Concrete screws (often called by the brand name Tapcon, or generically 'screw anchors') thread directly into a pre-drilled hole in concrete. They cut their own thread, do not require a separate expansion mechanism, and can be removed and re-installed. Limited number of reuse cycles before thread wear.
Specifications
| Head Types | Hex with washer (most common), Phillips flat head |
|---|---|
| Diameter | 3/16", 1/4", 3/8" |
| Length | 1-1/4" – 6" |
| Surface Finish | Blue ceramic-zinc coating (corrosion + visual identification), Stainless |
| Drill Bit | Specific carbide bit per screw diameter (typically supplied) |
Frequently Asked Questions
How many times can a concrete screw be reused?
Practically 1-3 cycles. The thread cuts a complementary thread in the concrete on first installation. Reinstallation in the same hole is possible but each cycle wears the concrete thread, eventually losing holding power. For applications requiring repeated removal/reinstall, use a drop-in anchor or wedge anchor.
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