Grade 5, 3/8"-16 Structural Bolt, Titanium, 1-1/4 in L Grade 5 titanium is a common aerospace alloy that has been used in commercial aircraft for decades. The bolts have a dimple in the top of the head that designates high strength and a bui.
063 ,Titanium Flat washers are designed to spread the pressure of a bolt or screw under the head. If the washer starts corroding, then the washer fails and the head of the fastener starts to.