McMasters Koss Headquarters Complex

McMasters Koss Headquarters facility encompasses 4 buildings and over 50,000 sq ft of office, warehouse, inspection, laboratory and engineering departments.

JIT Delivery Scheduling Center

McMasters Koss Customer Service and JIT Scheduling team monitor your ERP or MRP signals to ensure delivery of seals products to OEM manufacturers worldwide

Click Here to learn more about how we can monitor your requirements

Bulk Warehouse Inventory Facility

Bulk Warehouse Facility ensures we can plan to meet your annual requirements and schedule delivery as needed.

We can stock product to support your needs on quarterly or annual basis allowing us to adapt to changes in your delivery requirements as they occur.

Click Here to learn more about how we can stock large volume parts so support your production requirements.

Our Laboratory and Engineering staff can support your validation, special testing and engineering projects to support your team to quick launch new production requirements.

Click Here to learn more about our laboratory or engineering capabilities.

McMasters Koss Inspection Facility

McMasters Koss Manual and Automated Inspection Center allows us to provide quick certification of most characteristics and ability to quickly address any non-conformances.

Click Here to learn more about our Inspection Capabilities.

  • McMasters Koss Inventory for JIT Delivery
  • Shipping Department
  • Pallet ready to ship
  • Durometer Tester
  • O-Ring Micro Vu Measurement
  • ASTM Standards for O-Rings
  • McMasters Koss Global Shipping
  • McMasters Koss Headquarters Complex
  • Oil Seal Environmental Test Machine
  • Quad Rings
  • Fluorocarbon O-Rings and Seals
  • Custom Molded Rubber Seals
  • O-Rings
  • McMasters Koss PPAP with APQP Manuals
  • White Rubber Balls
  • Molded Rubber Seals
  • Oil Seals
  • Custom Molded Seals
  • Extruded Rubber O-Rings