Tapcon 3/8" x 3" LDT Large Diameter Concrete Screw - Hex Head - Zinc | Qty. 50 LCC/CCOS Lally/Steel Column Caps Drill should be in rotation-only

Drill should be in rotation-only mode when drilling into soft masonry or into hollow backing material

The Simpson ECCQ5-6SDS2

Zinc-Plated Carbon Steel: Offers corrosion protection for indoor or low-moisture environments

they drive fast and pull materials tight without the need to pre-drill

Light-duty machinery and shelving

Tapcon 3/8" x 3" LDT Large Diameter Concrete Screw - Hex Head - Zinc | Qty. 50 LCC/CCOS Lally/Steel Column Caps Drill should be in rotation-onlyLDT 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