Tapcon 3/4" x 6-1/4" LDT Large Diameter Concrete Screw - Hex Head - Zinc | Qty. 10
Tapcon 3/4" x 6-1/4" LDT Large Diameter Concrete Screw - Hex Head - Zinc | Qty. 10!
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Zinc Large Diameter Concrete Screws
Large Diameter Concrete Screws
Concrete Screws
Tapcon 3/4" x 6-1/4" LDT Large Diameter Concrete Screw - Hex Head - Zinc | Qty. 10

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Specifications
3/4" x 6-1/4" LDT Tapcon Screw, Zinc, Pkg 10
The 3/4 inch x 6-1/4 inch LDT Tapcon Zinc Concrete Screw Anchor is built for maximum structural anchoring performance in concrete and masonry. Its oversized diameter and extended embedment depth deliver superior holding strength for high-load applications. Each 10-pack is designed for heavy commercial and industrial projects.
3/4" x 6-1/4" Zinc Extra-Large Diameter Concrete Anchor
With a corrosion-resistant zinc-plated finish, this anchor is well suited for interior and dry environments. The heavy-duty hex washer head ensures powerful torque transfer and reliable clamping force during installation.
Key Features
- Oversized Diameter Construction: Designed for maximum load capacity.
- Zinc-Plated Finish: Provides corrosion resistance indoors.
- Hex Washer Head: Supports high torque and secure seating.
- Direct-Cut Masonry Threads: Installs without expansion sleeves.
Common Applications
- Structural Steel Columns: Anchor heavy supports to foundations.
- Industrial Machinery Bases: Secure equipment in place.
- Safety Barrier Installation: Mount guardrails and protective systems.
- Commercial Infrastructure: Reinforce load-critical connections.
- Warehouse Systems: Anchor high-capacity storage racks.
Installation Tips
- Drill to Manufacturer Depth: Ensure full embedment of threads.
- Clean Hole Thoroughly: Remove dust before driving anchor.
- Drive Evenly: Apply steady torque until firmly seated.
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Zinc Large Diameter Concrete Screws
Large Diameter Concrete Screws
Concrete Screws



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Tapcon 3/4" x 6-1/4" LDT Large Diameter Concrete Screw - Hex Head - Zinc | Qty. 10
These worked great. Just be aware that they use a 1/2" drill and are the same size as the Tapcon nominal 1/2" concrete screws, so they won't save you if the hole is a little too big.