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Self-Sealing Fasteners / Self-Sealing Nuts  

Self-Sealing Nuts

Self-Sealing Nuts
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ZāGO seal nuts meet and/or exceed the requirements of environments where gaseous or liquid pressure is a factor and a complete seal is required. ZāGO’s seal nuts are also invaluable when a vacuum needs to be created. Our sealnuts are reusable and can be made from numerous combinations of rubber and steel.

Seal Nuts are considered effortless, dependable & cost-effective because:

  • Seal Nuts seal out water/moisture, air, dust, liquids, and other contaminants either in through the thread or bearing face

  • Seal Nuts seals in water, fluids, air, and vapors

  • Seal Nuts reduce noise and vibration and they are re-usable

  • Seal Nuts do not require any special installation

ZaGO’s sealing nuts are a one-piece structural component, eliminating the need for gaskets, compounds and or surface preparations. Applying torque creates a three-way tensioning effect to guarantee an air & water-tight seal around the fastener assembly. Seal nuts are widely used in hydraulic and pneumatic or fuel systems applications.

Please view our E-Catalog page for seal nuts to view all thread sizes available.





Our philosophy here at ZāGO is that in today’s world the goal should not be to “arrive” but rather to constantly improve our manufacturing processes and products. We will continue to strive to find ways not just to meet our customers’ needs, but to always exceed their expectations.

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ZāGO Manufacturing Company, Inc.   973-643-6700   21 E. Runyon St - Newark, NJ 07114
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