10mm (1.50 pitch) Copper Lock Nut

This is an 10mm locking head nut (1.50 pitch), it is commonly used on exhaust manifolds to fasten the turbine housing to the manifold.  These exhaust nuts are sold individually and used in our 1.8T, 2.0 8V, 2.0T FSI, 2.0T TSI, Golf R and R32 turbo kits to fasten downpipe to turbine housing.