APM Hexseal

- "The world’s most hostile environments are our proving grounds”…has been the APM Hexseal mission and motto since 1947 when APM first developed its line of switch and circuit breaker,  high-pressure, sealing boots for the U.S Navy. APM’s highly IP Rated seals are designed to meet MIL-B-5423, are UL Recognized, and millions have been used extensively in avionics, instrumentation, communications, construction, marine, medical, and industrial and process industries. APM also offers a full line of UL recognized self-sealing fasteners & washers for panel, electrical NEMA enclosure and other related systems requiring sealing to 20,000psig that are also impervious to a wide range of corrosive liquids and gases.

Newest Products View All (12)

Heavy Duty Seeloc® Washers

APM Hexseal's heavy duty Seeloc® washers are perfect for a myriad of sealing requirements where higher torque values are anticipated. Learn More

SEELOC® Washer

APM Hexseal offers their high-pressure HEXSEAL SEELOC® washer for applications where a standard, round washer does not provide sufficient environmental sealing. Learn More

IQ1030 Toggle Switch Sealing Boot

APM's environmental sealing boot mounts on the same switches as APM’s N1030 boot and features a round mounting-nut base. Learn More

HE1015 Circuit Breaker Sealing Boot

APM Hexseal's HE1015 circuit breaker sealing boots come in high-tear strength silicone rubber construction and are IP66/68-rated. Learn More

Air and Liquid-Tight Self-Sealing Washers

APM Hexseal's SEELOC®, high-pressure washers are easy to install and their uniformity and high strength assure repeatable performance. Learn More

Toggle Switch Sealing Boots

APM Hexseal's toggle switch boots are molded from a high tear-strength silicone rubber bonded to a built-in mounting nut. Learn More

Recent PTMs View All (3)

Sealing Fasteners and Washers Publish Date: 2011-07-20

APM's patented, pre-assembled self-sealing screws and fasteners provide both fastening and sealing integrity in a single unit.

Duration: 10 minutes
Circuit Breaker Boots Publish Date: 2011-07-18

The circuit breaker boots are comprised of a clear silicone rubber that stays clear throughout its life and are made in 2 styles with several options available.

Duration: 10 minutes
Environmental Switch Sealing Products Publish Date: 2011-07-18

The different types of environmental seals available for toggle, pushbutton, rotary, rocker, and circuit breaker switches along with APM's product offering.

Duration: 5 minutes

Featured Videos View All (3)

APM IP68 IQ Video Tutorial

This video Introduces the IP68 IQ toggle switch boot seal. Quickly and easily mounts over the toggle bat.. turn a few times and you're finished.

APM Sealing Boot Video

APM Hexseal demonstrates the importance of sealing boots and reviews the sealing boot anatomy.

APM Hexseal - Self-Sealing Fasteners, Nuts and Washers

Simple, clear answers are given to the most frequently asked questions regarding self-sealing fasteners, rivets, nuts, and bolts.

Additional Content

Technical Support Tools

Cross Reference Charts

Brochures and Catalogs


Documents of Interest - View All

Manufacturer Web site