Known as: lock nut m 6 / lock nut nm 6 / hexagon nut m 6
Known as: lock nut m 6 m >> 63d 4069 m >> 64d 3716 m >> 63d 8154 m >> 67d 0711 / lock nut m 6 self-locking
This item may need to be sourced from Germany and would take 2-4 weeks to arrive. Once ordered it cannot be canceled. Please call to check stock or request expedited shipping.
These are the self locking copper exhaust nuts to hold on the heat exchangers securely without backing off. very nice built in washer for a secure mating surface. special copper nuts are sold each. 12mm head 8mm hole.