• O-rings
  • O-rings are O-shaped ring packings, and are used to seal fluids and dust. NOK has a broad lineup of rubber materials that can meet various service conditions.

    -rings are ring packings with an O-shaped cross-section. O-rings are placed in groove portions and pressed in moderately before being used to prevent leakage of fluids, such as oil, water, air, gas, and others.

    NOK uses synthetic rubbers for many purposes, including the manufacturing of O-rings that can withstand prolonged use in harsh environments.