From the Manufacturer – Red Head Multi-Set 5/8 Inch Lipless Drop-In Anchor feature an internally threaded, all-steel shell with expansion cone insert. They have a below surface setting for easy patch work, and have a higher performance potential with deep embedment setting. These Red Head anchors are manufactured from zinc-plated carbon steel, and should be installed with carbide tipped hammer drill bits. These anchors allow for easy installation and easy inspection. The Multi-Set anchors feature expander slots that allow for easy setting and superior performance and a cone insert that expands the anchor when driven with setting tool and hammer. These drop-in anchors are typically used for solid concrete or lightweight fill decks. Specs: Corrosion Resistance Level – low; Bolt Size – 5/8 inch; Threads per Inch – 11; Drill Bit Diameter – 7/8 inch; Thread Depth – 1 inch; Embedment Min. Hole Depth – 2-1/2-Inch inch.

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