d.4 à vis, 2 x 13 De Dietrich 300018170

This screw, with dimensions of diameter 4.2 mm and length 13 mm, is a common fastener used in various boiler and burner assemblies. It is ideal for securing panels, brackets, or components during maintenance or repair. Having the correct size screw ensures a tight and secure fit, preventing loosening due to vibration or thermal expansion. Keep a few on hand for your heating equipment projects.