DIN 7603 C

DIN 7603 C copper washers are precision sealing elements used in demanding workshop applications, especially around fuel, oil and hydraulic connections. Their soft copper construction ensures a tight, reliable seal under pressure and temperature changes.

In this category you will find DIN-standard copper washers in a range of popular inner and outer diameters for professional use in motorcycle and automotive service. They are ideal for banjo bolts, brake lines, drain plugs and other critical fastener points where leak-free performance is essential.

Choose DIN 7603 C washers when you need:

• Consistent, repeatable sealing performance
• Good resistance to heat and vibration
• Compatibility with common workshop fluids
• Metric sizes matched to standard fasteners