Enhance the strength and stability of your woodworking projects with these high-quality Screw-In Insert Nuts, crafted from durable zinc plated carbon steel for excellent rust resistance and long-lasting performance. Designed with an external coarse thread and hex socket drive, these insert nuts can be easily installed using a hex key wrench, providing a secure and reliable threaded socket in wooden workpieces. Key Features: · Premium Zinc Plated Carbon Steel: Ensures durability and corrosion resistance, extending the service life of the insert nuts even in demanding environments. · Screw-In Design with Hex Socket Drive: Allows for easy installation using a hex key wrench, providing a firm grip and preventing rotation or pull-out once installed. · One-Sided Installation Advantage: Unlike barrel nuts and T-nuts, these insert nuts can be installed from just one side of the workpiece, simplifying assembly and enhancing convenience. · Versatile Sizes Available: Comes in multiple sizes, compatible with various screw sizes to perfectly match your project requirements. · Requires Pre-Drilled Holes: For optimal installation, the pre-drilled hole depth should match the length of the insert nut plus any extra space needed for bolts extending beyond the nut inside the workpiece. Specifications: · Material: Zinc Plated Carbon Steel · Type: Hex Socket Screw-In Insert Nut · Thread Type: Coarse Thread · Available Sizes (Quantity per size: 20pcs):  - M6 x 10mm, 13mm, 15mm, 17mm, 20mm, 25mm  - M8 x 13mm, 15mm, 17mm, 20mm, 25mm  - M10 x 25mm Package Includes: · 20pcs x Screw-In Insert Nuts These screw-in insert nuts deliver a strong, threaded anchor point ideal for wood joinery, furniture assembly, and various DIY or professional woodworking projects. Their robust construction and easy one-sided installation make them a practical and efficient solution for creating secure connections in wood materials.