3/8” 3-1/2” drive-in anchor, hammer type nail expansion anchor, metal impact core nail screw fasteners, suitable for concrete and cement (20 pieces)

Heavy-Duty Carbon Steel Construction: Made from carbon steel, High strength cement nail anchors can maintain original shape under strong hammer impact. This 3/8 x 3-1/2 strike anchor is built for solid fastening jobs in concrete and cement applications where stable hold matters

• Sized for Concrete Fastening Jobs: Each anchor diameter 3/8 inch, 3-1/2 inch in length and flange nut diameter 0.7 inch. Offering a practical size for masonry fastening, structural attachment, and general installation work
• Hammer Drive Pin Expansion Design: The hammer drive pin expands the anchor inside the drilled hole for a firm mechanical hold, helping simplify installation for fastening tasks that need stable anchoring performance
• Simple Installation Process: Drill a 3/8-inch hole on the base, drive the anchor nail into the hole, use a hammer to hit the nail and ensure that it is fully inserted into the bolt, tighten the screw. The straightforward installation method supports faster setup on concrete and cement substrates
• For Industrial and Household Applications: Suitable for use in industrial buildings, repair work, and household projects that require fastening into sturdy base materials such as concrete and cement