Specification Brand SuleveModel M4ZN1Material Zinc AlloySize M4Length 8mm 10mm 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 Package Included 50 x Furniture Insert Nuts of Same Length More Details