Everflow Sammys Installs Vertically into the Bottom of Concrete Structures for Hanging Threaded Rod. It is a self-drilling fastener, easy Two Step Process (Drill Hole & Drive Everflow Sammys concrete anchor); 1/4 inch pre-drilled pilot hole required. It is made up of Steel with Zinc-Climaseal Finish, its Blue Delta Seal provides extended corrosion resistance. This design prevents snapping during installation and ensures a strong hold between screw and connector. Excellent for use in high-stress environments. It features a 5/16 x 1-3/4 inch screw length with threads for 1/4 inch rod.
Note: Use with Safety glass which is recommended accessory for on-site labor and staff RoHS compliance Warning: Do not use in vibratory zone.