On the Lewmar Superhatch the nuts inside the hatch can often shear.
This is a replacement bolt, washer and nut and uses a 'domed nut' as an alternative to the susceptible Lewmar nut.
2 sets required per hinge.
Threads are not compatible with original fixings.
Lewmar Superhatch Replacement Nut, Washer & Bolt
£4.50Price