40cr Circular Rack for Industry
1. Materail C452. Harden teeth can selected3. Modulus: M1, M1.5, M2, M2.5, M3, M4, M5, M6, M7, M8, M10. M12Material: Mild steel, cast steel, cast iron, forged steel, stainless steel, alloy steel, Plastic, POM, aluminium alloy, zn alloy, bronze, brass, chrome, 40Cr,
2024-04-07