Heavy Duty One Half Inch By Four Inch Large Diameter Concrete Screw For Masonry Anchoring In Brick Or Block Zinc Plated Carbon Steel Self Tapping To Cut Its Own Threads For Dry Environments 25 Pack CONFAST LDC124

Heavy-Duty 1/2 x 4 in Concrete Screw for Masonry - 25-Pack
✔️ Zinc-plated carbon steel, 1/2 in diameter, 4 in length, 25 pack

This is a heavy-duty concrete screw anchor designed to fasten fixtures to concrete, brick or block. It’s a reliable, dry-environment solution for mounting brackets, supports, or equipment without needing epoxy or anchors that require pre-reaming.

✅ 1/2 in diameter, 4 in long
✅ Self-tapping to cut its own threads in concrete
✅ Zinc-plated carbon steel for corrosion resistance
✅ Hex washer serrated head sits flush on the surface
✅ Minimum embedment 2 in into concrete
✅ Maximum fixture thickness 1 in to ensure 2 in embedment
✅ Drill hole in base material 1/2 in; fixture hole 9/16 in
✅ Spacing between anchors 8 in center-to-center
✅ Edge distance from unsupported edge 5 in
✅ Pack size 25

💡 What is a heavy-duty concrete screw used for in masonry projects?

This handy fastener is perfect for securing heavy items to concrete, brick, or block without extra epoxy. It’s built for quick installs in dry environments, delivering solid grip with minimal prep.

• Self-tapping threads provide fast, secure mounting in dry conditions
• Works with standard drill bits and a 3/4 in nut driver
• Promotes reliable pull-out resistance when proper embedment and spacing are observed
• Ideal for mounting brackets, anchors, and equipment to masonry surfaces