3/8" x 2-1/2" Concrete Screws, Zinc Plated Large Diameter Concrete Screw for Anchoring to Masonry, Concrete, Brick or Block, 25 PCS (Including One Socket Wrench

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Specification - Anchor Rod Diameter (Hole Size): 3/8"; Thread Diameter: 1/2"; Length: 2-1/2"; Thread Type: High-Low Thread; Hex Size: 5/8". Package Quantity - 25 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. Delivery Timeframe Please note that we cannot guarantee the exact date of arrival, and the delivery timeframes (excluding weekends and public holidays) are as follows: For customers in Victoria, approximately 7-10 working days; For customers in NSW, SA, ACT, and QLD, approximately 9-12 working days; For customers in WA, NT, and TAS, approximately 9-12 working days.