If the washer starts corroding, then the washer.078 ,Titanium Fender washers are designed to spread the clamping pressure of a bolt or screw far beyond the outside diameter of the the head.Fender Washer, Fits Bolt Size 3/8-0.
It is now affordable for the average user and a key component when worki.1/4"-20 Socket Head Cap Screw, Titanium, 1-1/4 in Length Grade 5 titanium is a common aerospace alloy that has been used in commercial aircraft for decades.