L.H.Dottie® Concrete Screw Anchor, Slotted Hex Washer Head, 1/4" x 1-1/4", 100 Pack

The Multi-Grip Anchor with Hex Head Combo Screws is designed with two expandable blue wings that grip behind the drywall for maximum holding power. It features advanced cam action technology that expands to create additional pressure against the substrate, helping to provide more stability. These anchors are not recommended for use overhead or where holding values are critical. Suitable materials for use include drywall, block, brick, and masonry. It features Three Points of Contact For Increased Holding Power, Vibration Resistant.

Concrete anchors are made of steel for long lasting durability and dependability. Screws accommodate concrete, block, brick and more. Units are used when mating surface fastener protrusion is unacceptable.

Zamac Anchors are nail drive anchors manufactured from a Zamac alloy, resulting in a corrosion resistant body. They can be used in concrete, block, brick or stone and in light duty or tamper resistant applications. These anchors are not recommended for use overhead or applications where holding values are critical.

Zamac Anchors with Removable Screw are suitable for use in concrete, block, brick or stone. They are a unique, one-step nail drive anchor that features a Phillips style head. The body of the anchor is formed from corrosion resistant Zamac alloy and a zinc plated carbon steel drive screw. When compared to a traditional Zamac Anchor, the ZAS has been designed to provide a removable anchor with higher tension loads when installed in concrete. These anchors are not recommended for use overhead or applications where holding values are critical.

1/4X2 1/4 Slotted Hex Washer Concrete Screw With Drill Bit Blue Perma Seal. Concrete screws cut their own threads when used in concrete, block or brick. Carbide bits are recommended for use in masonry. Hex washer head offers advantages of hex head, plus greater protection to mating surface.