Bar Services

NKS is now part of Banner Industries, a premier supplier of centerless ground bar. For over 50 years Banner Industries has been specializing in centerless grinding, turning and straightening at its six North American locations. 

Banner Industries offers a broad portfolio of specialty bar quality material for a wide range of commercial, industrial, and aerospace industries. With over 8 million pounds of stocked inventory and the ability to readily source any grade of metal material from widely recognized mills, Banner offers the largest array of metals and value-added services in the industry. All Banner-supplied material is processed using the latest in state-of-the-art bar processing, measuring equipment, and quality systems to assure your specifications are met or exceeded every time.


  Carol Stream, IL Strongsville, OH
Bar O.D. Range 0.032″ to 2.500″ 0.250″ to 9.000
Bar Length Range 3.0′ to 40.0′ 8.0′ to 40.0′
O.D Tolerance Range +/- 0.0001″ +/- 0.0005
Straightness Tolerance 0.003″ per ft. 0.002″ per ft.



  • Bar Ultrasonic Testing

NKS Products & Capabilities

Bar Product & Capabilities