Tapcon 3/4" x 4-1/2" LDT Large Diameter Concrete Screw - Hex Head - Zinc | Qty. 10 CJT Concealed Joist Ties especially in outdoor living spaces

especially in outdoor living spaces and architectural wood projects

Alternatively

Hex-Head Drive – 5/16" hex drive for easy installation (replacement bit: BITHEXR516-R1)

Grips the Heli-Tie fastener and helps provide accurate installation results

Simpson Strong-Bolt 2 anchors are non-bottom-bearing

Tapcon 3/4" x 4-1/2" LDT Large Diameter Concrete Screw - Hex Head - Zinc | Qty. 10 CJT Concealed Joist Ties especially in outdoor living spacesLDT Tapcon Concrete Screw Anchors are a proven solution for high strength anchoring in concrete and masonry. With their robust design and aggressive thread profile, these heavy duty screws provide consistent performance in structural, industrial, and commercial settings. Built for speed and holding power, these anchors cut their own threads into base material, no inserts or expansion required. The dual lead thread reduces installation time while