صامولة قفل ذات أسنان خارجية m10 zn De Dietrich 96140170

In heavy-duty boiler and burner applications, the M10 external tooth lock washer with zinc plating provides robust locking action for larger fasteners. Designed to resist loosening from vibration and thermal expansion, its external teeth create a positive mechanical lock between the fastener and the surface. This washer is commonly used in heating equipment components where secure fastening is critical for safe operation. The zinc coating offers adequate corrosion resistance for indoor boiler environments. Whether you are performing boiler maintenance or assembling burner spare parts, this lock washer helps maintain joint integrity over time. Its simple design makes it easy to install, and it is an essential part of any comprehensive fastener kit for gas burner parts and heating systems.