3/8″ x 1-3/4″ Conquest Large Diameter Concrete Screws – Zinc, Pkg 50
The 3/8 inch by 1-3/4 inch Conquest Large Diameter Concrete Screw offers strong anchoring performance in concrete and masonry. With increased diameter and aggressive threads, it provides dependable holding power for interior structural tasks. Each box includes 50 zinc-coated screws.
3/8 Inch Zinc Heavy-Duty Concrete Screw
Engineered for enhanced load capacity, this screw threads directly into masonry without anchors. The hex-washer head supports consistent torque and secure clamping during installation.
Key Features
- Enhanced Diameter Strength: Designed for higher load applications.
- Zinc Coating: Provides corrosion resistance indoors.
- Deep-Cutting Threads: Deliver strong engagement in concrete.
- Hex-Washer Head: Improves drivability and load distribution.
Common Applications
- Sill Plate Fastening: Secure framing to foundations.
- Bracket Mounting: Anchor heavy hardware to masonry.
- Racking Systems: Stabilize shelving installations.
- Equipment Bases: Fasten light machinery indoors.
- Interior Construction: Suitable for structural upgrades.
Installation Tips
- Drill to Proper Depth: Ensure full thread embedment.
- Remove Dust: Clean holes thoroughly before installation.
- Drive Evenly: Apply steady torque for secure seating.








