Quick Release Devices

Learn more about Vlier quick release devices (QRDs), including their design details, available materials and common uses.

What is a QRD
QRD Basics
With Thread Lock Element

A quick release device (QRD) is a precision Vlier part comprised of a body, plunger nose, spring and knob, and a pull ring or lever to retract the plunger nose.

The typical uses for a QRD is to secure, position, fasten, latch, lock or quick disconnect. With seven different models to choose from, each offers unique features for a wide variety of applications.

QRDs offer accurate and repeatable end forces for their functions in applications. Each model has specifically designed plunger noses for side loading and engagement.

Each plunger nose has varying plunger travel and range of motion, along with spring force for precise operation.

Vlier QRD material design choices include steel, stainless steel, Delrin®, nylon and phenolic nose. Each material choice is designed to meet the needs of a wide variety of specific applications.

Many of our Vlier quick release devices are available with or without a locking element.

How to Order the With Thread Lock Element

When ordering the locking element, add a “P” to the end of the part number for threaded enhanced springs.

Thread-in installation of quick release devices is available in either unified ANSI or metric sizes.