APM Self-Sealing Fasteners
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Self-Sealing and Self-Locking Bolts

APM SEELBOLT®
Reusable, High-Pressure Self-Sealing Bolts

specifications & selection chart for
   self-sealing bolts

O-Ring materials & characteristics
   selection chart

APM self-sealing locking bolts

The APM SEELBOLT® is the original self-sealing bolt designed and patented by APM. The APM line of self-sealing bolts, screws, and nuts are designed to seal out air, water, lubricants and other liquid or gaseous contaminants. Our self-sealing bolts and screws are available in many standard thread sizes and with optional O-ring sealing materials. Self-sealing bolts and screws can also be supplied with either self-locking pellets, strips or patch, Black oxide, painted heads, or in a captivated (KAPTO-SKREW®) configuration. Sheet metal and other type fasteners available on special order.

APM's patented, pre-assembled self-sealing bolts and screws provide both fastening and sealing integrity in a single unit. Unique design features a resilient silicone O-ring held captive in a precision engineered groove under the head. Vibration-resistant and reusable bolts, screws and nuts withstand internal and external pressures/vacuum to 20,000 psig (137,895kPa). When vibration is an issue, APM offers a full line of self-locking add-ons (pellets, strips, patches).

SEELBOLT Self-Sealing Locking Bolts
Features and Benefits:

  • Positive sealing under vacuum or pressure
  • Install like a conventional bolt
  • Reusable & compatible with all surface finishes
  • 360° Metal-to-metal contact assures fastening integrity
  • Optional O-ring seal materials - silicone rubber, BUNA-N, *Viton®, others
  • Uniform, high-strength design
  • UL & CSA Recognized
  • UL Tested
  • Optional threadlocking add-ons
  • Type ST

*Viton® is a registered trademark of DuPont Performance Elastomers.

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view threadlocking enhancements for self-sealing & self-locking bolts

To order self-sealing and self-locking bolts
contact your local APM authorized distributor
or call APM Hexseal at 800.498.9034

 

The APM line of self-sealing fasteners includes self-sealing screws, self-sealing locking nuts, self-sealing locking bolts, self-sealing rivets, and self-sealing washers all designed to seal in/out air, water, lubricants and other liquid or gaseous contaminants.

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apm hexseal

Switch & Potentiometer Boots
Circuit Breaker Boots
Custom Elastomeric Molding
Colorizing Lamp Filters

www.apmhexseal.com

The World's Most Hostile Environments Are Our Proving Grounds®
For Electronics Controls As Well As Self-Sealing Fasteners

Since 1947,  the Electronics Division of APM HEXSEAL has lead the industry in developing and manufacturing  environmental protection sealing components for controls  that are mounted on switches, potentiometers and circuit breakers.  Using advanced elastomer molding technology, a broad range of sealing boots are produced to match most controls manufactures’ standard part numbers,  which are stocked by leading electronics and industrial distributors in the United States, Canada and World-wide. Most are IP66/68 ingress protection rated and UL recognized (third-party tested).  APM sealing products are used extensively in marine, medical, military, process industry, electronic instrumentation, off-road and construction equipment -- wherever hostile environmental/operational conditions exist.

HEXSEAL®, SEELSKREW®. SEELBOLT®, SEELNUT®, SEELRIVET®, SEELOC® are registered trademarks of APM Corp.

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