M10-1.5 X 110 Square-Neck Carriage Bolt 304 Stainless Steel DIN603 (250pcs/Pkg) Nuts USS flat washers are larger

USS flat washers are larger than standard flat washers

Available in materials like steel

These general-use flat washers are placed under the head of a bolt or nut to create a smooth bearing surface and distribute the load over a wider area

Their countersunk shape allows for flush mounting

or conical washers

M10-1.5 X 110 Square-Neck Carriage Bolt 304 Stainless Steel DIN603 (250pcs/Pkg) Nuts USS flat washers are largerSAE flat washers are standard flat washers designed to provide a smooth bearing surface and distribute load under bolts, nuts, and screws. They come in various sizes and are commonly used in automotive and construction applications for enhanced stability and support.