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The Simpson ECCQ77SDS2
Optimized for dry environments
See the rest of our Simpson Stud Shoes
Bugle head design - provides flush countersinking for a smooth
more polished appearance
Tapcon 3/8" x 4" LDT Large Diameter Concrete Screw - Hex Head - Zinc | Qty. 50 HGUS/HHUS Heavy Face Mount Hangers The Simpson ECCQ77SDS2LDT 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
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