Once you have studied the , follow this process:
DIN 7505 gives both nominal pilot hole diameters and recommended tolerance classes (typically H11 or H12). For plastics, the standard often suggests a 0.05–0.1 mm larger hole than for aluminum due to thermal expansion and creep.
Din 7505 Standard Pdf !free! | Updated |
Once you have studied the , follow this process:
DIN 7505 gives both nominal pilot hole diameters and recommended tolerance classes (typically H11 or H12). For plastics, the standard often suggests a 0.05–0.1 mm larger hole than for aluminum due to thermal expansion and creep. din 7505 standard pdf