Attributes of M3 Hexagonal Nut-Bolt   Specification: M3 Screws for quadcopter/drone frame Size: M3 Length:8mm Weight=0.5g Features of M3 Hexagonal Nut-Bolt: Made of carbon steel material, high hardness, and will not deform. Durable and does not rust. Wear-resistant and anti-corrosion, high-grade and practical.  Fixing component, industrial, and construction fasteners.  Perfectly used in confined areas where…