TS-16949 Supplier
Seal Specialists


McMasters Koss Company provides ISO/TS16949 and ISO 9001 registered manufacturing and stocking distribution of seals, o-rings, gaskets, oil seals, diaphragms, caps, custom molded shapes, specialty plastics, insulating gasket kits, and pipeline cathodic protection systems.
"Our mission is to get the right product in the right hands at the right time at the right price that allows our customers to be competitive and us to be profitable."

Our seals and components are being used in the following fluid power applications: automotive, industrial, consumer, gas, water, and electric utilities, diesel, heavy equipment, hydraulic, pneumatic, military, medical, semiconductor, and aerospace, both original (OEM) and aftermarket.

Are you an OEM interested in reducing your purchasing and inventory costs through vendor-managed inventory? At no cost to you, we can set up a fantastic bin stocking system at all your locations. This complete system includes barcodes, laser scanners, automated ordering, and special invoicing. Call us for details.

McMasters Koss Co. also provides seal design assistance, mechanical seal repair, Just-In-Time delivery (JIT), and local stocking, custom packaging, special coatings, kits, and inspection services of rubber and non-rubber products. Our computer systems can handle all your EDI communications and bar code labeling requirements.

Contact our experienced sales engineers at 1-800-548-0089 for solutions to your sealing problems.

McMasters Koss Company proudly celebrates our 33rd year in business in 2009. We are registered to ISO-9001 (2008 Edition) with American Systems Registrars, certificate number 2901, expiring March 19, 2012.


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McMasters Koss Co.
4224 Normandy Court , Royal Oak, MI  48073
Phone: 248-549-1414   Fax: 248-549-7753   Outside Southeast Michigan: 800-548-0089