Product Announcements:
Ball and Spring Plungers

Defense platforms demand repeatable performance, traceable quality and secure handling of sensitive information. Vlier Products deliver precision components used in ground transportation systems, deployable communications equipment and other defense applications where reliability and durability are required. Read more...

Vlier knurled knob quick release devices support precise manual adjustment in medical device assemblies where control, repeatability and durability matter. Available in stainless steel and two standard configurations Read more...

Ceramic Ball Plungers for Demanding Environments

Built for demanding environments where steel falls short, Vlier Posi-Hex™ ball plungers with ceramic ball deliver corrosion resistance, electrical insulation and non-marring performance for precise indexing, locating and positioning. Read more...

Custom Designs by Vlier: Engineering design services to solve your unique challenges, from robotics to medical to aerospace. Our engineering design team delivers precision components tailored to your specific application. Read more...

Ball Buttons - easy to push into a reamed hole

Ball buttons can be easily pushed into a reamed hole to provide the perfect ball plunger mating detent. They prevent part damage and provide a hardened striker plate to take the wear and tear of side loads.

Special Features
Chamfered end for easy insertion
440C stainless steel, hardened & ground Read more...

Why Ceramic Plungers?

This undertaking began when we created a solution for an instrument used in spinal surgery for vertebral compression fractures. Our specially designed threaded plunger sets a critical torque value that is needed during the surgical procedure, as to ensure no injuries or damage to bone. At the same time, the hygienic nature of the ceramic ball made it ideal fo... Read more...

In the world of robotics, precision is everything. Our knurled press-fit plungers deliver secure, reliable performance keeping your high-stakes automated systems operating. Schedule a design consultation & request your free sample Read more...

Built for high-speed manufacturing and press-fit assembly, Vlier knurled press-fits help streamline production. Schedule a design consultation and request your free sample and CAD dow Read more...

In security-sensitive environments, reliability is non-negotiable. A gold-plated version of Vlier’s smallest ball plunger was engineered for electrical contact inside an airport bomb detection system, enhancing signal integrity in high reliability scanning equipment.
Explore our line of specialized products for advanced electronic systems in every industry Read more...

This undertaking began when we created a solution for an instrument used in spinal surgery for vertebral compression fractures. Our specially designed threaded plunger sets a critical torque value that is needed during the surgical procedure, as to ensure no injuries or damage to bone. At the same time, the hygienic nature of the ceramic ball made it ideal for use within a surgical setti... Read more...