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®.
It wasn’t long before we developed other sealing hardware, like our self-sealing Seelnuts® and Seeloc® Washers. In addition to providing a strong, reliable seal against all manner of contaminant(s), APM Hexseal’s wide range of hardware products are designed for easy installation and equally easy removal and reuse.APM Hexseal’s self-sealing fasteners and sealing washers – When simply fastening just isn’t enough!
In addition to fastening, our self-sealing screws and bolts offer a reliable and reusable seal, preventing (or containing!) contamination from dust, air, water, lubricants and other liquid or gaseous substances. They are also vibration resistant, making them a great choice for applications that encounter day-to-day jarring, or repetitive movement. Should you need a more serious level of vibration resistance, our screws and bolts are available with additional locking features, such...
One of APM Hexseal's earliest innovations was a self-sealing hexagonal nut, or Seelnut®. Seelnuts install just like conventional nuts, and are designed for use with ordinary screws, bolts and studs, making them a quick and easy sealing option for all sorts of applications, especially where there is a need to withstand high internal or external pressures. Our Seelnuts are made from high quality rubber, molded into a specially shaped cavity in the nut itself. With threads molded directly into the...
APM Hexseal’s Seeloc® Washers consist of molded silicone rubber bonded to specially formed stainless steel washers. Designed to be used in conjunction with conventional screws, bolts or studs, Seeloc Washers are a simple solution for all sorts of sealing needs. The silicone contact surface features a continuous ridge which, upon compression, creates a 360° sealing barrier around the periphery of the washer face. The silicone rubber also forms a seal under the head of the...
