Omega Products Back Stop Screws are essential accessories for ER collet chucks. They provide reliable support and precise workpiece positioning, helping you achieve accurate and repeatable machining results. Built for durability, these screws feature precision threads and a secure locking mechanism for a tight fit, plus an ergonomic design that makes adjustment quick and simple. With M14X1 threading compatible with ER20 systems, they help stabilize your setup and maintain tight tolerances during demanding cutting operations. Precision-Threaded Fit for Repeatable Positioning: Engineered with finely machined threads to seat smoothly and keep workpieces aligned, delivering consistent results across multiple setups. Secure Locking with Easy Adjustment: A reliable locking mechanism holds the screw firmly in place while the ergonomic grip allows fast, tool-free adjustments during setup. Durable Materials for Longevity: Made from high-quality materials that resist wear and corrosion, reducing maintenance and extending service life in busy shops. Using these back stop screws helps stabilize your ER collet chuck, shorten setup times, and improve machining outcomes. They provide dependable support for high-precision work, minimize runout, and help you maintain consistent quality across every job, giving you confidence in your tooling and processes.