O-rings and Seals 

McMasters Koss Co.
4224 Normandy Court
Royal Oak, Michigan 48073

Phone: (248) 549-1414
Fax:    (248) 549-7753

(800) 548-0089

Sealing Specialists

McMasters Koss Company provides 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.

We sell high quality seals and components to OEMs in the following fluid power applications: automotive, industrial, consumer, gas, water, and electric utilities, diesel, heavy equipment, hydraulic, pneumatic, military, medical, semiconductor, and aerospace.

Our worldwide TS16949 manufacturing plants, global logistics expertise, and value added consignment and distribution services will provide great value for your company.

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