The M6 x 20 Wood Insert Type D Flanged Steel Zinc Alloy is a durable and reliable fastener specifically designed for use in wood applications. Featuring a flanged design, this insert provides increased load distribution and resistance to pull-out forces, ensuring a secure connection. Made from high-quality zinc alloy, it offers excellent corrosion resistance for long-lasting performance in various environments. The M6 thread allows for easy installation into pre-drilled holes, this versatile wood insert is essential for enhancing the strength and stability of wooden structures while ensuring a secure fit.