Seal screw
SEELSKREW® APM HEXSEAL

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
-UL Tested
-Made in USA