[Wood Threaded Inserts]: The wood threaded inserts are used for pre-embedded connectors for wooden furniture. Standard hexagon socket head, smooth and flat, features flanged thread texture, stable structure and easy installation [Applications]: These furniture screws inserts nuts are suitable for hardwood/solid wood furniture, for furniture combinations [Material]: Made of high quantity zinc plated carbon steel, the threaded inserts are wear-resistant and very durable to use [Easy to Use]: Simply drill the appropriate size hole and install with the internal hex tool; The external thread with a unique self-tapping design and good tensile strength can contribute to tapping and effectively prevent stripping. Features: - These insert nuts are made of zinc-plated carbon steel for durability and rust protection. - The screw-in nuts have an external thread and a hex socket drive and are screwed on with a hex wrench. - Insert nuts are advantageous over barrel nuts and T-nuts because they can be installed from one side of the workpiece. - There are screw-in nuts in different sizes and take different screw sizes that you can choose for your project. - The pre-drilled hole should be as deep as the length of the insert nut plus any part of the bolt that can be screwed past the end of the nut into the workpiece. Specifications: Material: Zinc Plated Carbon Steel Type: Hex Socket Cap Screw Thread Type (Pitch): Coarse Thread Package Includes: 20pcs * Insert Nuts