Concrete Anchor Screw 5/16" x 2.25" Hex Head

Engineered for professional-grade anchoring in solid concrete, this 5/16" × 2.25" hex head screw delivers exceptional holding power and installation ease. Its fully threaded design bites deep into masonry for maximum pull-out resistance, while under-head ribs minimize cam-out and head-snap during tightening. Constructed from durable alloy steel, it stands up to tough jobsite conditions and provides long-lasting performance.

Whether you’re mounting fixtures, installing electrical boxes, or fastening ledger boards, these concrete screws streamline your workflow and ensure a secure, reliable hold every time.

Key Features

• Original concrete screw anchor design—revolutionized the way professionals fasten into masonry
• Hex washer head with under-head ribs to prevent stripping and head-snap
• Fully threaded, high/low thread profile for superior pull-out resistance
• External hex drive for positive bit engagement and rapid installation
• Alloy steel construction for high strength and durability
• Ideal for solid concrete, block, and brick applications