Masonry screws are designed to screw into hardened concrete. A pilot hole created with a concrete drill bit is required. Highlights: Material: Steel Color: Blue Ruspert Length: 4 inch Applicable Materials: Concrete Drive Size: 3 Drive Type: Phillips Head Type: Flat Point Type: Sharp Thread Size: 1/4 in Thread Type: High-Low Number in Package: 100
- Material: Steel
- Color: Blue Ruspert
- Length: 4 inch
- Applicable Materials: Concrete
- Drive Size: 3