The KEYSERT-HD(16) 1/4-28 ID from Field Tool Supply is designed for high-strength applications requiring durable inserts. This helicoil insert is made from premium materials, ensuring longevity and reliability. With a thread size of 1/4-28, it is ideal for various metal and composite applications. The insert features a robust design that meets industry standards, providing excellent resistance to wear and tear. It is compatible with a range of tools and systems, making it a versatile choice for professionals. Each package includes multiple inserts, allowing for efficient repairs and installations.