Machine Design


The 2011 Washer Catalog features 25,000 nonstandard flat washer and spacer sizes available with no tooling charges. An easy-to-use reference guide covers available washers and spacers with 0.08 to 5.140-in. ODs, a variety of inside diameters and thicknesses, and over 2,000 commonly specified and difficult-to-find material variations.

Available materials are wrought cobalt, iron, and nickel-base superalloys, which provide improved mechanical strength, increased surface stability, corrosion resistance, and withstand high temperatures in harsh conditions. Additional materials include low-carbon sheet steel, various spring steels, stainless steel, aluminum, brass, copper and nickel silver. Nonmetallic options include ABS, acetal, polyester, nylon, MD nylon, polycarbonate, fiber, polyethylene, and various phenolics.

Boker’s Inc., 3104 Snelling Ave., Minneapolis, MN 55406, (800) 927-4377,

© 2011 Penton Media, Inc.

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