Concrete Screw — Direct-Thread Concrete Fastener
Concrete screws thread directly into a pre-drilled hole in concrete, brick, or block, cutting their own thread without a separate expansion mechanism. They install fast, sit flush (with countersunk variants), and can be removed and reinstalled a limited number of times.
Specifications
| Heads | Hex with washer (most common), Phillips flat head |
|---|---|
| Diameter | 3/16", 1/4", 3/8" |
| Length | 1-1/4" – 6" |
| Coating | Blue ceramic-zinc (signature color), Stainless 410 |
| Required Drill Bit | Specific carbide bit per screw diameter |
Frequently Asked Questions
How does a concrete screw differ from a regular screw?
A concrete screw has a hardened thread profile specifically designed to cut into concrete and base materials, plus a hardened body that won't strip during installation. Regular screws would not survive contact with concrete. The blue ceramic-zinc coating is also corrosion-protective and visually distinctive.
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