DeWalt by Powers DFM12732 1/4" x 4" UltraCon+ Hex Washer Head Blue Concrete Screw Anchor - 100/Box

The UltraCon+ fastening system is a complete family of screw anchors for light to medium duty applications in concrete, masonry block, brick, and wood base materials.

• Removable (reusable in wood)
• High-low thread design for greater stability & grip
• Does not exert expansion forces
• No hole spotting required
• Good corrosion protection with Stalgard coating
• Gimlet point for self drilling into wood base material
• Applications: Window installations, Shutters and guards, Interior hand rails, Interior lighting fixtures, Metal door frames, Thresholds, Joint flashing, Screened Enclosures