Tapcon 3/8" x 4" LDT Large Diameter Concrete Screw, Hex Head - Zinc | Qty. 400 (Carton) Oblong Master Links - G100 tightening evenly

tightening evenly

Manufacturing and industrial packaging

or offset top flange configurations for flexibility in design

Grade 70 Carbon Steel – 20% stronger than Grade 43

whether you're securing metal roofing panels on residential

Tapcon 3/8" x 4" LDT Large Diameter Concrete Screw, Hex Head - Zinc | Qty. 400 (Carton) Oblong Master Links - G100 tightening evenlyLDT 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