50Pcs M4ZN1 M4 Zinc Alloy Wood Furniture Hex Socket Drive Head Screw-in Threaded Insert Nut

50Pcs M4ZN1 M4 Zinc Alloy Wood Furniture Hex Socket Drive Head Screw-in Threaded Insert Nut. Features:  - Material: Made of high quality zinc alloy, with good room temperature mechanical properties and wear resistance, can keep thread integrity after multi times use.  - Usage: Pre-drill a proper hole, screw in with internal hex tool. Unique self-tapping designed external thread, contribute to tapping, with good tensile resistance, can effectively prevent stripped due to torsion or vibration.  - Applications: Suitable for pine, plywood, fiberboard, etc, have a good effect in the advanced furniture combination.  Specification:  Material: Zinc Alloy;  Size: M4;  Length: 8mm, 10mm;    Package Included:  50 x Furniture Insert Nuts (of Same Length)