Therwen 200 Pcs 1/4" x 3-1/4" Blue Hex Concrete Screw PTFE Carbon Steel Concrete Bolt Screws Kit Hardened Rust Corrosion Resistant for Anchor Masonry Block Cement Wood Decks Fences

Therwen 200 Pcs 1/4" x 3-1/4" Blue Hex Concrete Screw PTFE Carbon Steel Concrete Bolt Screws Kit Hardened Rust Corrosion Resistant for Anchor Masonry Block Cement Wood Decks Fences

• Packaging: our packages contain 200 blue hex head concrete screw anchors, suitable for bulk projects or long-term use; Suitable for a variety of applications, including indoor/outdoor construction, furniture fixing, and wood decks fences gardening projects
• Quality Material: our hex bolt head concrete screws are made of durable carbon steel with a brushed finish and a protective coating, providing corrosion resistance and aesthetics; Suitable for concrete, block, and brick walls; The hexagonal head design makes it easy to tighten with a wrench, providing higher torque and faster installation
• Size, Easy Installation: this masonry screw is 1/4 inch in diameter and 3-1/4 inch in length; On rigid substrates such as concrete, brick, or stone, first drill a pilot hole using a 3/16-inch carbide drill bit(not include), then screw it into the substrate with a wrench or use in conjunction with a socket driver; the minimum embedment depth of this anchor in concrete is 1 inch; Note: Do not overtighten the screw to avoid damaging the concrete hole
• Blue Corrosion-resistant Coating: the surface lag screws treatment is PTFE, which is corrosion-resistant and does not easily accumulate dust on damp or dusty construction sites, suitable for both indoor and outdoor wood decks concrete environments
• Suitable for Multiple Materials and Removable: lag bolt suitable for securing metal or wood decks fences to concrete, brick, or blocks; Compatible with ACQ treated wood; Removable design for easy adjustment or reinstallation