What type of nuts and bolts should I use for outboard mounting?
Stainless steel nuts and bolts are the most popular and wisest choice.
What are marine-grade stainless steel nuts and bolts?
These nuts and bolts have been specially designed for use in the marine industry, making them more weather and corrosion-resistant than many other grades.
What is the difference between 18-8/304 and 316 stainless steel nuts?
The 316 stainless steel nuts are slightly more corrosion-resistant due to the presence of higher levels of molybdenum.
Does it matter whether you tighten the bolt head or the nut?
In most cases, it doesn’t matter. Unless, the nut and bolt head are different diameters or shapes, or when clamping two different materials together.
Should the nut be the same grade as the bolt?
For the best results, yes.