High quality Δ The locking screw of the shaft is made of 45# steel. C45 steel is widely used in the manufacture of industrial machinery. Its mechanical properties are very often used in axial parts. High tensile strength, durable.
Anti-oxidation.This screw with anti-corrosion coating, waterproof and anti-oxidation very durable.
High hardness: After production, the bolt is hardened to make it even stronger.
Easy to install.Its slightly curved head with hollow hexagonal footprint, you only need a hexagonal screwdriver.
Replacement of shaft lock screw for Xiaomi M365 electric scooter, perfectly compatible with the original.