ApplicationsThe anchor is made from Zamac body - 304 Stainless steel nail. This anchor is designed for use in Concrete, Block, and Brick.EnvironmentThe anchor is designed for use in a Wet environment.Hole Diameter/Bit DiameterThe anchor requires a 1/4" hole to be drilled in the base material (Concrete, Block, and Brick). The hole should be drilled with carbide tipped bit that meets ANSI standards and used in a hammer drill.Diameter of Anchor The diameter of the anchor is 1/4".Length Anchor The length of the anchor is 2"Minimum EmbedmentThe minimum anchor embedment into the concrete is 3/4". Therefore, the anchor must be installed so that a minimum of 3/4" of the anchor is embedded into the concrete.Spacing between AnchorsEach anchor must be spaced a minimum distance of 2-1/2" from each other when measured center to center.Edge DistanceIt is very important not to install the anchor any closer than 1-1/4" from an unsupported edge of the concrete.