Qrity 20 Pcs Hex Socket Screw in Nuts Fastener M4x10mm, Zinc Alloy Ladder shaped Threaded Insert Nuts, Interface Drive

Premium Material: These threaded insert nuts are made of high hardness Zinc alloy material, which is corrosion and rust resistant, sturdy, not easy to break and durable for long time use. Convenient Design: The flat surface of the head is smooth, wIth unique self-tapping external thread, it helps tapping, with good tensile strength, can effectively prevent and remove due to torsion or vibration. Easy Installation: Simply drill the appropriately sized hole and install with hex key or optional drive tool. Hex drive inserts feature tapered external threads which resist pull out caused by vibration. Widely Application: It is great for replacing threaded insert nuts in places where the wood screw hole has broken down. Suitable for carpenters,repairmen,landlords to repair cabinets,floors,wooden toys,construction and other cork, fiberglass. Package Includes: 20 x Qrity Zinc Alloy Threaded Insert Nuts (M4 x 10mm).