3/8″ x 4″ Conquest Large Diameter Concrete Screws – Galvanized, Pkg 50
The 3/8 inch by 4 inch Conquest Large Diameter Concrete Screw is built for high-load anchoring in concrete, block, and brick. Designed with a robust thread profile and hex washer head, it delivers strong pullout resistance without the need for anchors or inserts. Each package includes 50 galvanized screws ready for demanding structural applications.
3/8 Inch Galvanized Large Diameter Concrete Screw
Ideal for structural framing and heavy-duty attachments, this large diameter screw cuts cleanly into masonry while maintaining dependable holding strength. The galvanized finish provides corrosion resistance for interior and exterior use.
Key Features
- Galvanized Coating: Helps protect against corrosion in demanding environments.
- Hex Washer Head: Provides strong drivability and increased bearing surface.
- High Thread Engagement: Delivers secure fastening without anchors.
- Large Diameter Strength: Built for structural and high-load applications.
Common Applications
- Sill Plate Installation: Anchor framing to concrete foundations.
- Ledger Boards: Secure structural connections to masonry.
- Equipment Mounting: Fasten machinery to concrete pads.
- Racking Systems: Anchor storage systems to floors.
- Commercial Construction: Ideal for high-strength installations.
Installation Tips
- Pre-Drill with Carbide Bit: Follow recommended bit sizing guidelines.
- Clear Dust Thoroughly: Remove debris for maximum holding power.
- Drive with Socket Tool: Tighten until secure without over-torquing.








