1/4 x 4 in. Hex Head- Concrete and Masonry

1/4 x 4 in. Hex Head- Concrete and Masonry

A 1/4 in. x 4 in. hex head concrete and masonry fastener is typically a heavy-duty screw anchor designed for fastening materials into concrete, brick, block, or masonry surfaces. Common uses include securing treated lumber, metal brackets, sill plates, shelving, and fixtures.

Features:

• Diameter: 1/4 in.
• Length: 4 in.
• Head style: Hex washer head for socket or nut-driver installation
• Material: Usually hardened steel
• Coating: Blue Climaseal®, or corrosion-resistant finish
• Drive tool: Commonly a 5/16 in. hex driver
• Installation: Requires a pre-drilled masonry hole using a hammer drill and carbide masonry bit

For most installations:

• Drill the hole slightly deeper than 4 in.
• Clean dust from the hole before installation
• Use the manufacturer’s recommended bit size (commonly 3/16 in. for 1/4 in. concrete screws)