Tapcon 3/8" x 3" LDT Large Diameter Concrete Screw, Hex Head - Zinc | Qty. 400 (Carton) Self-Drilling Screws This clamp is proof-tested to

This clamp is proof-tested to 2x its rated 3/4 ton capacity and built with a 5:1 safety factor to ensure reliable lifting

Strong-Drive SD screws

E-track rails are made in the USA from 12-gauge galvanized steel for long-term durability and corrosion resistance

Marine-ready protection – ASTM A153 hot-dip galvanized finish resists corrosion in coastal and wet environments

Tapcon 3/8" x 3" LDT Large Diameter Concrete Screw, Hex Head - Zinc | Qty. 400 (Carton) Self-Drilling Screws This clamp is proof-tested toLDT 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