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Anyone who has wrestled with a stripped anchor or a crumbling pre-drilled hole knows how frustrating masonry fastening can be. Whether you're a contractor running conduit, a remodeler attaching furring strips, or a homeowner mounting shelving in a garage or basement, you need a concrete screw that threads cleanly, seats flush, and stays put. These hex multi-drive masonry tapscrews are built for exactly that job.
This 200-piece pack contains blue-coated hex multi-drive concrete tapscrews in the Tapcon style — the industry-standard format for direct masonry anchoring without expansion inserts. The blue corrosion-resistant coating provides protection against moisture and oxidation. Screws are available in multiple lengths (see variant options) to match your embedment requirements; length values are marked on the packaging in both inches and millimeters for easy reference. The hex multi-drive head accepts both a hex socket and a slotted driver, giving you flexibility on the jobsite.
Typical applications include anchoring electrical conduit straps to poured concrete walls, fastening wood sill plates to concrete block foundations, securing shelf brackets and track systems in masonry garages, and attaching furring strips to brick or block for wall assemblies. The multi-drive head design makes these a go-to fastener for concrete screw installation in tight spaces where a standard hex driver won't fit.
| Pack Quantity | 200 pieces |
|---|---|
| Head Type | Hex multi-drive (hex socket + slotted) |
| Drive Type | Hex (1/4" chuck compatible) + slotted |
| Diameter | See variant options |
| Length | See variant options |
| Thread Type | Hi-Lo masonry thread (Tapcon style) |
| Coating / Finish | Blue corrosion-resistant coating |
| Compatible Base Materials | Concrete, brick, block, mortar |
| Recommended Drill Bit | Carbide-tipped masonry bit (size matches screw diameter — contact us to confirm) |
| Minimum Embedment Depth | Typically 1" (25mm) into base material |
| Drive Tool | Impact driver, drill driver, or manual screwdriver |
| SKU | GBTST0235 |
A general rule is that the screw should embed at least 1 inch (25mm) into the base material. Measure the thickness of the material being fastened, then add your minimum embedment depth. For example, fastening a 1/2" bracket into concrete typically calls for a screw around 1-1/4" to 1-3/4" long. This pack includes multiple lengths — select the size that matches your embedment requirement.
These are typically 3/16" (approximately 4.8mm) hex multi-drive masonry tapscrews, which is the most common diameter for light-to-medium duty concrete anchoring. Please check the variant options or product listing details to confirm the exact diameter included in this 200-pack.
Concrete screws generally require a carbide-tipped masonry drill bit sized to match the screw diameter. For 3/16" screws, a 5/32" (4mm) carbide masonry bit is typically used. Always drill to the required embedment depth plus a small clearance, and blow out dust before driving the screw.
The blue corrosion-resistant coating on these tapscrews provides general protection against moisture and light outdoor exposure. For consistently wet environments, submerged applications, or coastal climates, a stainless steel or hot-dip galvanized fastener is generally recommended for long-term corrosion resistance.
These hex multi-drive masonry tapscrews are designed for use in concrete, brick, block, and mortar. They are not intended for use in wood, drywall, or metal without a suitable substrate. Always pre-drill with a carbide masonry bit before installation.
Load capacity varies by screw diameter, length, embedment depth, and the strength of the base material. Concrete screws of this type typically handle light-to-medium duty loads such as conduit straps, furring strips, electrical boxes, and shelf brackets. For structural or heavy-load applications, consult a load table or engineer for the specific screw size and concrete strength.
Concrete tapscrews can generally be removed by reversing the drive direction, but reuse is not recommended. Repeated removal and reinstallation degrades the thread engagement in the base material, reducing holding strength. For applications requiring frequent removal, consider a sleeve anchor or drop-in anchor instead.
