Hillside Washers are used when connecting braces that pass through structural members at any angle other than 90°. Unlike inside connections requiring Clevis Rod Assemblies (Fig.1), when the brace passes through the structural member it eliminates the need for Clevises and Clevis Pins.
Steel Manufacturing Blog: Keeping it Steel
Stainless Steel Turnbuckle Rods and Clevis Rods have some variations in material that will affect the design and production. The first point to note is the difference in material between the round bar and the hardware. Stainless steel round bar comes in a wide variety of grades. For Structural and Miscellaneous steel fabricating the fundament grade is 303 or 304. Often Clevis Rod and Turnbuckle Rod assemblies are specified leaving the fabricator the option of using either.