Titanium Nyloc Self Locking Hex Flange Nuts M5 M6 M7 M8 M10 M12. No more studs seized in your cylinder head. Titanium Hex Flange Nuts M5 M6 M7 M8 M10 M12 x0.8 x1.0 x1.25 x1.5 Pitch. Ideally suited to the wet and variable UK climate which can cause steel studs to rapidly deteriorate.
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