Fourpack shaft collars made from aluminum alloy. Lightweight yet robust, these collars are designed for reliable performance in demanding environments. Key features and benefits Material and construction Aluminum alloy construction provides light weight with strength. Built to endure workshop conditions and typical exposure to oxidation. Clampon design and installation Clampon style engages the shaft fully for stable grip, alignment, and repeatable positioning. Quick, straightforward installation helps reduce assembly time. Purpose and compatibility Designed to enhance DIY CNC and other shaftdriven setups. Suited for standard shaft applications where secure fixing and precise positioning are needed. Compatible with common shaft configurations used in hobby and light industrial projects. Performance and reliability Delivers consistent performance in demanding environments. Keeps shafts fixed securely, minimizing drift and misalignment. What it solves Provides a reliable stopping point and accurate positioning for shafts in linear guide systems. Ensures stable shaft fixation, enabling repeatable results in automated or manual assemblies. 23 practical use scenarios DIY CNC machines Use as a shaft stop on linear guides or ball screws to prevent overtravel and maintain precise positioning. Robotics and automation Fix and locate rotating shafts in small automation setups, ensuring consistent reference points. General machinery and conveyors Secure shaft ends in drive or support applications, allowing quick assembly and easy disassembly when maintenance is needed. Pack contents Includes four shaft collars suitable for standard shaft applications in hobby and light industrial projects.