APM Self-Sealing Fasteners
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SEELSKREW
SEELBOLT
SEELNUT
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SEELOC
UL Recognized
RoHS Compliant | DFARS Compliant Hardware Available
APM originator and world's largest supplier of self-sealing fasteners
How to order APM Self-Sealing Fastener Products

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call 800.498.9034

Self-Sealing Screws

APM SEELSKREW®
Reusable, High-Pressure Self-Sealing Screws

specifications & selection chart for
   self-sealing screws

O-Ring materials & characteristics
   selection chart

APM self-sealing screws

The APM SEELSKREW® is the original self-sealing screw designed and patented by APM. Our self-sealing screws are designed to seal out air, water, lubricants and other liquid or gaseous contaminants. They are available in many standard thread sizes and with optional sealing materials. When vibration is an issue, Our self-sealing screws can also be supplied with either self-locking pellets, strips or patches, black oxide, painted heads, or in a captivated (KAPTO-SKREW®) configuration. Sheet metal and other type self-sealing fasteners available on special order.

SEELSKREWs self-sealing screws are pre-assembled to 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, they can withstand internal and external pressures/vacuum to 20,000 psig (137,895kPa).

SEELSCREW Self-Sealing Screws
Features and Benefits:

  • Positive sealing under vacuum or pressure
  • Install like a conventional fastener
  • Reusable & compatible with all surface finishes
  • Full 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
  • Made in USA

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

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To order self-sealing screws
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.  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.

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