CONFAST 5/16" (Inside/Screw 5/16" Diameter) Single Expansion Anchor (50 per Box)

The anchor is made from Zamac .

This anchor is designed for use in Concrete, Block, and Brick.EnvironmentThe anchor is designed for use in a Moist environment.Hole Diameter/Bit DiameterThe anchor requires a 5/8" 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.Minimum EmbedmentThe minimum anchor embedment into the concrete is 1-1/2".

Therefore, the anchor must be installed so that a minimum of 1-1/2" of the anchor is embedded into the concrete.Spacing between AnchorsEach anchor must be spaced a minimum distance of 6-1/4" from each other when measured center to center.Edge DistanceIt is very important not to install the anchor any closer than 3-1/8" from an unsupported edge of the concrete.