1/4" x 3" Concrete Screws, Zinc Plated Large Diameter Concrete Screw for Anchoring to Masonry, Concrete, Brick or Block, 50 PCS (Including One Socket Wrench)

Product Description The Large Diameter Anchor bodies are made of Class 10.9 Carbon Steel and Zinc Plated; This high performance anchor is designed for use in Concrete. The anchor is designed to allow the head to sit on top of the surface of the item being attached; The anchor requires a hole to be drilled in the base material (Concrete), and the hole in the fixture or material being fastened must be larger than the designated diameter of the anchor. The anchor is a single design with no nuts and washers assembled, and has more threads for better thread engagement and higher pull-out resistance.

• Specification - Anchor Rod Diameter (Hole Size): 1/4"; Thread Diameter: 5/16"; Length: 3"; Thread Type: High-Low Thread; Hex Size: 3/8".
• Package Quantity - 50 PCS Anchors with One Socket Wrench.
• Materials & Performance - The Large Diameter Anchor bodies are made of Class 10.9 Carbon Steel with Zinc Plated surface which provides rust resistance and anti-oxidation; The Anchor features a hex washer head with anti-rotation serrations to prevent the anchor from backing out.
• Installation - The Anchor requires a pre-drill hole in the base material (Concrete) using a drill bit; Then install the anchor directly using the sleeve supplied.
• Apply - The large diameter anchors can be used as concrete screws, brick anchors and masonry bolts to provide heavy-duty structural anchoring for indoor and outdoor applications.