Large Diameter 3/8-Inch By 4-Inch Concrete Anchor With Self-Tapping Threads For Fast Secure Mounting, Hardened Carbon Steel Zinc Plated Grade 8, Hex Washer Head With Anti-Rotation Serrations, Length Identification, Use Standard Drill Bits, 50-Pack

High-Strength 3/8 x 4 in Self-Tapping Concrete Anchors
✔️ 3/8 in dia x 4 in long, zinc plated, 50-pack, self-tapping

These large-diameter self-tapping concrete anchors bite into solid concrete quickly and securely. They’re ideal for mounting fixtures, brackets, electrical boxes, or structural supports directly to masonry and concrete. Pack of 50 keeps you ready on any job site.

✅ Anchor diameter 3/8 in (9.525 mm); length 4 in (101.6 mm); self-tapping into concrete; hardened carbon steel, zinc plated
✅ Hex washer head with anti-rotation serrations to prevent back-out
✅ Stamped with length identification code for easy inspection
✅ Uses standard 5/16 in (7.94 mm) carbide-tipped bits; pilot hole guidance
✅ Pack of 50; single-piece design; no nut and washer to assemble
✅ Max material thickness 2-1/2 in (63.5 mm) for secure anchorage

💡 What is a concrete anchor used for in masonry projects?

Concrete anchors are handy for securing fixtures to heavy masonry surfaces and concrete. Handy for brackets, boxes, and supports in both residential and commercial builds. - They are used to fasten brackets, boxes, and supports to concrete - They work with standard drill bits for easy setup - They self-tap into the substrate, creating strong threads - They resist pull-out and vibration in solid masonry