Large Diameter Tapcon Anchor, Concrete Anchor, Head Style Hex Washer, 410 Stainless Steel, Anchor Dia. 3/8 In., Length 1-3/4 In., Max. Work Thickness 1/4 In., Min. Embedment 1-1/2 In., Racking, Shelving And Conveyers; Finished Head Eliminates Damage To Fork Lift Trucks; Corrosion Resistant, Package Quantity 50RED HEAD