Input the mass of the assembly accessories (screws, nail-in fasteners, anchor bolts, connectors) based on the surface area of the product, expressed in g/m². By default, the mass of the screws, nail-in fasteners and coach screws is assumed to be 100 g/m² in standard areas. By default, the mass of the connectors is assumed to be 340 g/m². For further information, consult the technical advisory notice for the process.