The MasonMate Hex Nut Sleeve Anchors are for use in most types of masonry or concrete. Zinc Plated for increased durability.These MasonMate Hex Nut Sleeve Anchors have the following specifications: Size: M16 x 65mm.Max. Fixture Thickness: 20mm.Min Hole Depth: 60mm.Qty Per Box: 25.PTDMAMSAM1665
