Exit
find Sales Reps & Distributors
APM Hexseal Corp.
Toll Free: 800.498.9034 Tel: 201.569.5700    
Facebook Facebook Twitter Twitter LinkedIn LinkedIn Youtube Youtube
  Ask the Experts
 
 
  • Home
  • About
    • Our History
    • Sealing Solutions Manufactured in America
  • Industries
    • Agricultural Industry
    • Chemical /Petroleum Industry
    • Drilling /Downhole /Pump Applications
    • Energy Generation
    • Electronics Industry
    • Food /Beverage Industry
    • Industrial /Construction Industry
    • Lighting Industry
    • Mil /Aero /Defense Industry
    • Marine Industry
    • Medical Industry
    • Robotics /Automation
    • Vehicle/Heavy Equipment Industry
  • Quality
    • NASM 82496 Testing
    • ISO
    • UL
    • Dodd-Frank
    • REACH
    • RoHS
    • Compliance
    • Proposition 65
  • Products
    • Sealing Boots & Bushings
      • Toggle Boots
      • Pushbutton Boots
      • Rotary Boots
      • Circuit Breaker Boots
      • Rocker Boots
      • Bushing Seals
    • Sealing Hardware
      • Sealing Screws/Seelskrews® & Seelbolts®
      • Sealing Nuts/Seelnuts®
      • Sealing Washers/Seeloc® Washers
      • Nutzilla
      • Sealing Socket Head Cap Screws
  • Custom Design
  • Resources
    • eBook Library
    • FAQs
    • Elastomer O-Rings
    • Molded Elastomer Options
    • Videos
    • Torque Values for Self-Sealing Hardware
    • Torque Values for Seeloc® Washers
    • Terms & Conditions for Sale
  • Blog & Articles
  • Contact
    • Contact Us
    • Sales Reps and Distributors
    • Careers
  • Request a Quote
Facebook Facebook Twitter Twitter LinkedIn LinkedIn Youtube Youtube

Check Out Our 2025 Trade Shows Here!

Developing and Manufacturing Quality Sealing Solutions Since 1947. Trusted by Hundreds of Thousands of Customer Worldwide.

The primary supplier for industries such as military, medical, marine, construction, energy generation, food and beverage… and many more.

Browse Sealing Hardware Browse Sealing Boots & Bushings View All Industries
Assorted Parts Sealing Hardware

Developing And Manufacturing Quality Sealing Solutions Since 1947.

Trusted By Hundreds Of Thousands Of Customers Worldwide.

The primary supplier for industries such as military, medical, marine, construction, energy generation, food and beverage… and many more.

Browse Sealing Hardware Browse Sealing Boots & Bushings View All Industries
Socket Head Cap Product
  • Sealing Hardware
  • Sealing Boots & Bushings
Sealing Hardware

APM Hexseal® holds the notable distinction of having designed and patented the very first self-sealing fasteners, which later became our trademarked Seelskrews® and Seelbolts®.

Seelskrews & Seelbolts
Seelskrews & Seelbolts
Seelnuts
Seelnuts
Seeloc Washers
Seeloc Washers
Sealing Boots & Bushings

APM Hexseal’s Sealing Boots and Bushing Seals provide strong protection for both the external and internal workings of a device, ensuring the safety, reliability and overall function of the system as a whole.

Toggle Boots
Toggle
Boots
Pushbutton Boots
Pushbutton
Boots
Rotary Boot
Rotary
Boots
Circuit Breaker Boot
Circuit Breaker
Boots
Rocker Boot
Rocker
Boots
Bushing Seal
Bushing
Seals

Resources

Explore our resources for more information on how to best select and implement our products.

View Blog > View All Resources >
Medical Sealing Solutions

Medical Sealing Solutions

Download
Benefits Of One-Stop-Shop Manufacturer

Benefits of Working With a One-Stop-Shop Manufacturer

Download
Catalog

Catalog

Download

Agriculture

Protecting our food supply by making sure our farmers have equipment that functions properly and efficiently in the most difficult environments.

Read More    
Cold Temp
Hot Temp
Oil Spill
Dust
Indoor Outdoor Update
Wave

Chemical/Petroleum

We’re dedicated to protecting our environment and use products that shield the most sensitive ecosystems from extremely hazardous contaminants.

Read More    
Cold Temp
Hot Temp
Oil Spill
Dust
Indoor Outdoor Update
Wave

Defense/Aerospace/Military

Protecting mission critical systems in the most hostile environments on earth and beyond. Now offering NASM Specified pressure testing on Seelskrews®.

Read More    
Cold Temp
Hot Temp
Oil Spill
Dust
Indoor Outdoor Update
Wave

Electronics

Safeguarding your sensitive systems under the harshest operating conditions. Many of our products are UL recognized—perfect solutions for NEMA rated enclosures.

Read More    
Cold Temp
Hot Temp
Oil Spill
Dust
Indoor Outdoor Update
Wave

Food & Beverage

Reliable leak prevention and contamination prevention for food and beverage processing and dispensing equipment.

Read More    
Cold Temp
Hot Temp
Oil Spill
Dust
Indoor Outdoor Update
Wave

Industrial/Construction

The most challenging and punishing environments are our proving grounds. Peak performance demands the best.

Read More    
Cold Temp
Hot Temp
Oil Spill
Dust
Indoor Outdoor Update
Wave

Lighting

We have been lighting the way in sealing solutions for more than 70 years. Protect delicate sensors and lighting controllers from damaging elements.

Read More    
Cold Temp
Hot Temp
Oil Spill
Dust
Indoor Outdoor Update
Wave

Marine

Floating atop the water or submerged below it, our products will safeguard vulnerable electronics and maximize your measurement, exploration, and navigation performance.

Read More    
Cold Temp
Hot Temp
Oil Spill
Dust
Indoor Outdoor Update
Wave

Medical/Pharma

Fragile and high cost medical and pharmaceutical equipment requires the most reliable protection. Our FDA approved O-rings are the perfect solution for medical applications.

Read More    
Cold Temp
Hot Temp
Oil Spill
Dust
Indoor Outdoor Update
Wave

Drilling/Down Hole/Pump

Challenging environments are what our products are made for. Get down and dirty, we’ve got you covered.

View More Industries    
Cold Temp
Hot Temp
Oil Spill
Dust
Indoor Outdoor Update
Wave

Energy Generation

Optimizing performance of electronic and mechanical systems, our products have been keeping the power flowing for more than 70 years.

View More Industries    
Cold Temp
Hot Temp
Oil Spill
Dust
Indoor Outdoor Update
Wave
Agriculture Chemical/Petroleum Defense/Aerospace/Military Electronics Food & Beverage Industrial/Construction Lighting Marine Medical/Pharma Drilling/Down Hole/Pump Energy Generation

Agriculture

Protecting our food supply by making sure our farmers have equipment that functions properly and efficiently in the most difficult environments.

Read More    
Cold Temp
Hot Temp
Oil Spill
Dust
Indoor Outdoor Update
Wave

Chemical/Petroleum

We’re dedicated to protecting our environment and use products that shield the most sensitive ecosystems from extremely hazardous contaminants.

Read More    
Cold Temp
Hot Temp
Oil Spill
Dust
Indoor Outdoor Update
Wave

Defense/Aerospace/Military

Protecting mission critical systems in the most hostile environments on earth and beyond. Now offering NASM Specified pressure testing on Seelskrews®.

Read More    
Cold Temp
Hot Temp
Oil Spill
Dust
Indoor Outdoor Update
Wave

Electronics

Safeguarding your sensitive systems under the harshest operating conditions. Many of our products are UL recognized—perfect solutions for NEMA rated enclosures.

Read More    
Cold Temp
Hot Temp
Oil Spill
Dust
Indoor Outdoor Update
Wave

Food & Beverage

Reliable leak prevention and contamination prevention for food and beverage processing and dispensing equipment.

Read More    
Cold Temp
Hot Temp
Oil Spill
Dust
Indoor Outdoor Update
Wave

Industrial/Construction

The most challenging and punishing environments are our proving grounds. Peak performance demands the best.

Read More    
Cold Temp
Hot Temp
Oil Spill
Dust
Indoor Outdoor Update
Wave

Lighting

We have been lighting the way in sealing solutions for more than 70 years. Protect delicate sensors and lighting controllers from damaging elements.

Read More    
Cold Temp
Hot Temp
Oil Spill
Dust
Indoor Outdoor Update
Wave

Marine

Floating atop the water or submerged below it, our products will safeguard vulnerable electronics and maximize your measurement, exploration, and navigation performance.

Read More    
Cold Temp
Hot Temp
Oil Spill
Dust
Indoor Outdoor Update
Wave

Medical/Pharma

Fragile and high cost medical and pharmaceutical equipment requires the most reliable protection. Our FDA approved O-rings are the perfect solution for medical applications.

Read More    
Cold Temp
Hot Temp
Oil Spill
Dust
Indoor Outdoor Update
Wave

Drilling/Down Hole/Pump

Challenging environments are what our products are made for. Get down and dirty, we’ve got you covered.

View More Industries    
Cold Temp
Hot Temp
Oil Spill
Dust
Indoor Outdoor Update
Wave

Energy Generation

Optimizing performance of electronic and mechanical systems, our products have been keeping the power flowing for more than 70 years.

View More Industries    
Cold Temp
Hot Temp
Oil Spill
Dust
Indoor Outdoor Update
Wave
  • Agriculture
  • Chemical/Petroleum
  • Defense/Aerospace/Military
  • Electronics
  • Food & Beverage
  • Industrial/Construction
  • Lighting
  • Marine
  • Medical/Pharma
  • Drilling/Down Hole/Pump
  • Energy Generation

Custom Elastomeric Molding Capabilities

APM Hexseal has been 100% focused on the development and production of internal and external sealing solutions for electrical and electronic applications, from relatively simple designs to complex geometric configurations, many requiring bonding to metal components.

Explore Our Custom Design
'

Celebrating 75 Years of Sealing Innovation

  • Quality
  • Knowledge
  • Experience
  • Sealing Solutions
  • Ingenuity
  • Engineering
  • Technique
  • Innovation

APM Hexseal Corporation will consistently provide products and services that meet or exceed our clients' expectations.

DEKRA Certified
UL

Many of APM Hexseal’s products are “UL Recognized Components”  Full Details >

Reach Compliance

APM Hexseal has carefully studied this legislation and maintains that, based on the following points, we are in compliance with, and not required to register in, the REACH program.  Full Details >

RoHS

APM Hexseal is committed to helping our customers select products that will meet the RoHS Directive, as well as help comply with the WEEE Directive.  Full Details >

Medical Sealing Solutions

Medical Sealing Solutions

Need some help with your medical projects? We've got you covered! Our new eBook discusses the importance of using high quality sealing hardware when building specialized medical equipment. Check it out!

Get Your eBook
View All eBooks >

Blogs

The Importance of Thread Pitch and How to Select the Right Fastener for Secure and Reliable Connections

Read More >
View All Blogs >

Videos

Elastomer Shlastomer, Right? Not So Fast!

Watch our video >
 
View All Videos >
View All eBooks >
APM Hexseal Corp.44 Honeck St, Englewood, NJ 07631
Toll Free: 800.498.9034Tel: 201.569.5700info@apmhexseal.com
Thomas Covid-19 Response Covid-19
Facebook Twitter LinkedIn Youtube
  • About
  • Resources
  • Blog
  • Contact
© 2025 APM Hexseal Corporation All Rights Reserved
  • Terms of Service
  • Privacy Policy
  • Sitemap
HEXSEAL®, SEELSKREW, SEELBOLT, SEELNUT®, SEELRIVET, SEELOC® are registered trademarks of APM Hexseal Corp.