Material - Made of A3-steel (Q235), the teeth are high-frequency quenched, with high hardness and wear resistance.
Feature - The chain Sprocket is usually mounted in a fixed position on a fixed shaft. Round hole with 2pcs Set Screws at 90 degrees.
Application - Used in hardware, milling machine, machinery and other occasions
Notice - The surface has not been treated with anti-rust, so there may be rust on the surface, but this does not affect the use, you can use sandpaper to remove the rust spots before using.