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Small components
that make a big impact.

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Sealing Screws

Sealing Screws

Prevent contaminants from leaking into and damaging equipment or seeping out into the environment (with 360° air-tight seal).

Mil-Spec 3212/3213 Sealing Screws

Mil-Spec 3212/3213 Sealing Screws

Protect rugged military equipment & sensitive devices from contaminants seeping in or out in the harshest environments. Pressure-tested to Mil Standard 1500 psi.

Sealing Bolts

Sealing Bolts

ZAGO sealing bolts form a complete seal along the threading of the bolt to permanently prevent contaminants from seeping into or out of equipment.

Oversized Head Sealing Screws

Oversized Head Sealing Screws

Designed to accommodate large open diameter applications while providing an unbreakable 360° rubber seal.

Security/Tamper-Proof Seal Screws

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

Special Sealing Screws

Custom solutions to meet your unique specifications and challenges.

Sealing Nuts

Sealing Nuts

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

Sealing Washers

Sealing Washers

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

Switch Boots

Switch Boots

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

Crystal Switch Seals

Crystal Switch Seals

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

Certificates & Compliance

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 time again, engineers and OEMs choose ZAGO high-tech, sustainable sealing solutions and components. There are many reasons why.

We rec’d the parts in today and are able to ship them out to the customer. I just want to thank you very much for all of your help with this order. I sincerely appreciate it as you made my customer very happy and I gave you all the credit as you deserved.

Sonja D, Broadview Heights, Ohio, USA


Clients

  • Apple
  • Bose
  • Ferrari
  • General Dynamics
  • GE

Technically, we can help anyone

Sealing fasteners for military and defense

Military & Defense

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

Sealing fasteners for aerospace

Aerospace

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

Sealing screws for electronics and enclosures

Electronics & Enclosures

NEMA-ready solutions for NEMA bound electrical enclosures.

Sealing fasteners for the offshore wind industry

Offshore Wind

Seal wind turbines, blades, sensors and inner components with ZAGO sealing fasteners - no breakage, rusting, or leakage.

Sealing solutions for medical devices

Medical Devices

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

Sealing solutions for robotics and drones

Robotics & Drones

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

Sealing screws for marine applications

Marine

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

Sealing screws for energy industry

Energy Generation & Recovery

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

Sealing screws for automotive industry

Automotive

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.

Sealing screws and fastener for LiDAR

LiDAR

Providing LiDAR systems and sensors with 360-degree leak-proof protection.

Sealing fasteners for industrial manufacturing

Industrial Manufacturing

Helping with the transition to a smarter, automated and connected factory, while protecting both traditional manufacturing equipment and sophisticated sensors from physical disruption and cyberattacks.

Sealing screws for commercial lighting

Commercial Lighting

Designed to protect the most fragile sensors powering smart lighting.

Engineering Solutions for Your Sealing Challenges

NASM 82496 Testing

NASM 82496 Testing

Only ZAGO tests for NASM 82496.

Secondary Processes on Sealing Screws

Secondary Processes

Full range of plating, self-locking and painting.

Sealing Fastener Customization

Product Customization

Custom solutions to meet your exact specifications.

Looking to seal your high-asset equipment from damaging contaminants? We’ve got an e-book for that.

News & Events

Nov112024

Product Spotlights

Need a Countersunk Flat Head Seal Screw? Adding Undercut Critical for Protection in High-Pressure Environments

When it comes to shielding equipment from harsh elements, a flat head seal screw engineered with a 360 O-ring offers reliable sealing ... Read More

Oct012024

Articles

Celebrating Hispanic Heritage Month, ZAGO Manufacturing Co. Honors Its Diverse Workforce

Photo Caption: From left to right: Jonathan Cruz, Indira Cruz, Sonia Letona, and Kleber Rivera. September 15 October 15 is ... Read More

Sep112024

Events

ZAGO 2024 & 2025 Events

October 2024 MADE in New Jersey Manufacturing Day (Presented by NJMEP) Date: Friday, October 4th 2024, 8am 3pm Venue: i-Play America 110 ... Read More

Press

MTD CNC Machining Channel

Are More Women Joining Manufacturing Industry? Jackie Luciano answers.

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Fastener Technology International

Sealing Fasteners Optimize & Protect Wind Turbines in Any Weather

Read Article

NIST

ZAGO Named A Hero In American Manufacturing

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Glossary