Fasteners • Washers
A washer is a thin disk-shaped plate with a hole in the middle that is used to distribute the load of a threaded fastener, such as a screw or nut.
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Performance Punch Parts manufactures UHMW PE washers, PTFE washers that meet AMS3652C or ASTM D 3308 standards, nylon washers, and HIPS washers. The company also produces acetal copolymer washers, Delrin acetal washers, vulcanized fibre washers, nylatron washers, polyethylene washers, polypropylene washers, Mylar washers, and Melinex washers.
Coburn-Myers Fastening Systems Inc. is a supplier of USS flat washers used for industrial applications in manufacturing, maintenance, and repair; and SAE flat washers used in the automotive engineering field. The company also distributes machine screw washers used in general industrial applications, countersunk washers designed for use with flat or oval head screws, and beveled washers used when fastening bolts through the flanges of "I" beams. Other washer types stocked include tooth lock, split lock, metric split lock, metric flat, metric fender, fender, F436 hardened, and belleville.
George H. Seltzer manufactures extra thick, inch-sized flat steel washers available with inside diameters from 1/64" to 1/32". The washers are machined from 12L14 cold rolled steel bar.
Bauer Springs Inc. develops and produces conical spring washers constructed from steel C60. The washers are available with flattening force ranging from 920 N to 280,000 N - with dimensions ranging from 2.2 mm to 31 mm.