Tapcon 1/2" x 4" LDT Large Diameter Concrete Screw, Hex Head - Zinc | Qty. 150 (Carton) Quik Drive Wood-To-Steel Screws Whether you’re working on a

Whether you’re working on a residential deck

Its integrated bonded sealing washer ensures a watertight connection

the system helps maintain dependable R-8 performance and reduces strain on heating and cooling equipment

the product will be a uniform gray color and can be left in place or removed after the repair is complete

industrial assemblies

Tapcon 1/2" x 4" LDT Large Diameter Concrete Screw, Hex Head - Zinc | Qty. 150 (Carton) Quik Drive Wood-To-Steel Screws Whether you’re working on aLDT 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