Washer, SAE Flat

SAE Flat Washers are offered with Zinc plating, Stainless Steel and Type 316 Stainless Steel finishes, in a variety of sizes.  SAE washers have a smaller I.D. and O.D. than USS common washers.  SAE Flat Washers are widely used in general-purpose fastening, where a thinner washer profile is sufficient to protect surfaces and distribute load.

Type 316 Stainless Steel

SAE flat washers are flat, circular metal discs with a central hole designed to distribute the load of a threaded fastener, such as a bolt or screw, over a larger surface area. They help prevent damage to the material being fastened, reduce the risk of loosening, and provide a smooth bearing surface for nuts and bolts. The “SAE” designation indicates that these washers conform to Society of Automotive Engineers standards, primarily for automotive and machinery. applications

Comparison to USS Washers

• USS washers: Larger outer diameter, thicker, better for general-purpose applications requiring maximum load distribution.
• SAE washers: Smaller, thinner, better for tight spaces and surface protection while still providing adequate load distribution.