COVID-19: ZAGO Sealing Fasteners Available for Ventilator Manufacturing. Learn More.

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Sealing Screws and Bolts

See optimum performance in your machinery, and rule out the possibility of failure with ZAGO’s high-tech self-sealing screws and bolts.

Switch Boots

Fully protect your electronic devices with push button, toggle and rotary switches from hostile environments.

Crystal Switch Seals

Crystal clear solutions for protecting your switches from contaminants, extreme temperatures and weather conditions.

Seal Nuts and Washers

ZAGO’s sealing nuts and washers are designed to withstand extreme pressure and to form a complete seal along the threading of your bolt.

Security/Tamper Proof Seal Screws

These ultimate screws will provide you with outstanding security against any external/internal contamination from air, water, gas and other materials.

Special Sealing Screws

Custom solutions to meet your unique specifications and challenges.

High-Tech Custom Sealing Solutions Preferred by Thousands of Engineers & OEMs Worldwide

When it comes to protection, resilience and optimization of high-value equipment, ranging from power grids and solar panels to rechargeable batteries and minute sensors enabling smart technology, time and again, engineers and OEMs choose ZAGO high-tech, sustainable sealing solutions and components. There are many reasons why.

Thanks so much, I appreciate all your help... as usual! I deal with a lot of vendors, and you guys really stand out! Great customer service and I appreciate it!

Bonnie, Fort Worth, TX


Technically, we can help anyone

Military & Defense

The only military grade sealing screw manufacturer capable of NASM specified pressure testing.


Built to perform while withstanding the extreme heat of continuously operating engines powering air fleets, rockets, and spacecraft.

Electronics & Enclosures

NEMA-ready solutions for NEMA bound electrical enclosures.

Commercial Lighting

Designed to protect the most fragile sensors powering smart lighting.

Medical Devices

FDA approved O-rings, ideally suited for the most sensitive, high-value medical devices.

Robotics & Drones

Optimizing battery life, functionality of robots and drones operating in harsh environments.


Protecting high-value subsea assets from corrosion, seepage; paving way for undersea exploration.

Energy Generation & Renovation

Advancing innovation, protecting the earth with pressure-resistant, sustainable O-ring technology.


Prolonging the lifespan and efficiency of engines, motors, powertrains; reducing their carbon footprint. Providing PPAPs and First Article Inspection Reports to satisfy the most exacting automakers.

Engineering Solutions for Your Sealing Challenges

NASM 82496 Testing

Only ZAGO tests for NASM 82496.

NEMA Ready

Security and sealing solutions that optimize and meet the requirements of NEMA enclosures.

Secondary Process

Full range of plating, self-locking and painting.

Product Customization

Custom solutions to meet your exact specifications.

From Sustainability to Saving Lives; Engineers are Accelerating Innovation

News & Events


Videos & Podcasts

Hack the Crisis: An interview with the CEO of ZAGO Manufacturing

As the fight against the COVID-19 pandemic continues, several manufacturers are still operating and deemed essential for supplying ... Read More


Videos & Podcasts

Where's Willie? Quality, Training, And Growth

In this weeks episode of Wheres Willie? we have our first interview with Jackie Luciano, the Vice President of Manufacturing Operations ... Read More



Small Components Making Big Impact Featured on 60 Minutes

As the Coronavirus snowballed in early March, a grim reality set in: Tens of thousands of patients, health care providers and volunteers ... Read More



Newark Manufacturer ZAGO Shifts Focus to Aid Outbreak Efforts

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COVID 19: ZAGO High-Tech Sealing Fasteners Available to Meet Surge in Ventilator & ECMO Manufacturing

Read Article


What Happens When You Take Leap of Faith

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