Brass Round Bar 385 is also known as Architectural Bronze even though it is actually a brass 385 polishes to an excellent finish, resists corrosion in nonmarine environments, and machines comparably well to 360 freemachining brass It is easy to braze and solder but should not be welded 385 is typically used in decorative architecture applications and ornamental hardware.
The bolts have a dimple in the top of the head that designates high strength and a bui.Grade 5, 3/8"-24 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.