Seastrom Manufacturing Co., Inc. Flat Round Washers

Seastrom standards and ANSI standards in one search. Type B Plain Washers (ANSI B18.22.1) are available in narrow, regular and wide series for each standard screw size. ID – Inside dimensions from .020” to 3.00” OD - Outside dimensions from .050” to 4.00” Thk – Thicknesses from .010 to .134 Metallic materials available: Aluminum, Brass, Beryllium Copper, Copper, Phosphor bronze, Steel (cold rolled steel), Stainless steel 316, Stainless steel, Titanium. Non-metallic materials available: Acetal, Fiberglass, Fibre, Kapton, Mica, Mylar, Neoprene, Nylatron, Nylon, Phenolic, Polyethylene, PTFE, PVC.