APM HEXSEAL specializes in the design and manufacture of molded elastomeric rubber seals for environmental protection of electrical controls as well as self-sealing and self-locking fasteners and washers.

APM HEXSEAL was founded in 1947 with the mission to develop and manufacture environmental sealing solutions to protect and prolong the life of electromechanical switches and circuit breakers in hostile environmental conditions worldwide. Initially for the military and subsequently for the industrial and commercial marketplace. This focused effort resulted in the development of an extensive line of standard silicone sealing boots that mate with the vast majority of switches, breakers, encoders, potentiometers & many other rotating devices found today throughout the world.

Other complimentary sealing products were also developed and patented including a complete line of reusable self-sealing and optional locking... (more)


"Production run" means making a lot of one product at once. The factories listed under "production" can produce small and/or large quantities. The minimum order for a production run can vary from factory to factory (some have no minimum, some require a dozen, and some require up to 1,000 to be made at once)