DeWALT® Screw-Bolt+™ Screw Anchor, Heavy Duty, 3/8 in Diameter, 4 in Overall Length, Hex Washer Head Drive, Carbon Steel, 1-1/2 in Minimum Embedment Depth, Zinc Plated, Applicable Materials: Normal Weight Concrete, Lightweight Concrete, Concrete Over Steel Deck, Grouted Concrete Masonry and Brick Masonry, 3/8 in H Head, 2-1/2 in Maximum Work Thickness, 6355 lb Shear Strength, 4075 lb Tensile Strength