Flat washers are great for adding resistance to your bolts and screws to prevent them from boring into the surface and weakening it. Solid brass is very durable and resists rust and corrosion.
Made of brass for a high quality look for any repair, remodeling or construction project. Used to mount a variety of brass hardware or for adding a decorative touch on woodworking projects. A non-magnetic material that offers corrosion resistance in both cold and hot environments.
If there is an "(S)" in the part name, it indicates that it has a smaller O.D, compared to the "(L)" which indicates that it has a larger O.D
For the product numbers that are sold by weight, 5lbs or 40lbs the individual pieces that are contained within the package are approximate due to manufacturers making some flat washers/lock washers slightly thicker, or thinner.