Johnson Screw Big Johnson - 670 Count Box
Johnson ScrewJohnson Screw Big Johnson - 670 Count Box
Designed specifically for concrete formwork, form board applications, and temporary wood construction, these Reusable Duplex Screws provide a faster, stronger, and more economical alternative to traditional duplex nails. Engineered from high-strength case-hardened steel, these screws deliver exceptional holding power while allowing for easy removal and repeated use.
Whether you're securing concrete forms, stakes, bracing, or temporary wooden structures, these reusable screws help reduce labor, minimize material waste, and improve jobsite efficiency.
Key Features
- Reusable Design – Remove and reinstall multiple times without sacrificing performance.
- Stronger Alternative to Duplex Nails – Superior holding power for concrete formwork and temporary construction.
- Bend-Resistant Construction – Engineered to resist breakage under demanding jobsite conditions.
- Chisel-Point Tip – Drives easily at virtually any angle for faster installation.
- Cost-Saving Performance – Reusability reduces labor costs and replacement fastener expenses.
- Square Duplex Head – Allows for quick installation and easy removal when forms are stripped.
- Driver Sold Separately
Applications
- Concrete formwork
- Form board fastening
- Concrete stake connections
- Temporary wood construction
- Construction bracing
- Remodeling and temporary structural assemblies
- Commercial and residential concrete projects
Product Specifications
- Overall Shank Length: 2-7/8"
- Thread Length: 1-1/4"
- Clear Upper Shank: 1-5/8"
- Square Duplex Head: 3/4" x 5/16"
- Tip Style: Type 17 Shank Slot
Technical Specifications
- Material: 1022 Steel
- Heat Treatment: Case Hardened
- Core Strength: Grade 5 Equivalent
- Tensile Strength: Up to 120 KSI
- Surface Hardness: C45 Minimum
Please Note: Prices, promotions, styles and availability may vary by store and online. Inventory is sold and received continuously throughout the day; therefore, the quantity shown may not be available when you get to the store.