Tapcon 3/8" x 4" LDT Large Diameter Concrete Screw - Hex Head - Zinc | Qty. 50 Pipe Flashings the DWP includes a 6-lobe

the DWP includes a 6-lobe drive for secure engagement that minimizes cam-out and extends driver bit life

Watertight seal: Prevents leaks for dependable performance

Lumber Size: Intended for use with 8x beams and 8x posts/columns and includes necessary SDS screws for quick installation

Designed for both roof purlin anchorage and stud-to-foundation holdown applications

Large Washer Head – Provides a broad bearing surface that increases pull-through resistance and clamping force

Tapcon 3/8" x 4" LDT Large Diameter Concrete Screw - Hex Head - Zinc | Qty. 50 Pipe Flashings the DWP includes a 6-lobeLDT 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