Widely used and versatile The hex key set is designed for use in precision instruments, measuring devices, and electronic products. Its versatility suits a wide range of projects. Whether securing aluminum profiles or fixing delicate components, it provides the reliability and performance required for different applications. Precision engineering and burr-free threads The set screws are calibrated for high precision. Each screw has a transparent thread, carefully made to ensure a burr-free fit. This guarantees smooth fastening in aluminum profiles, helps prevent damage, and improves the overall durability of projects. Comprehensive package This complete screw set includes a variety of screw sizes. With screws ranging from M3 to M8, it has everything needed for any fastening task, enabling smooth and efficient work on projects. Compact and user-friendly design The compact screws are designed for ease of use, with a professional and practical design suitable for all users. Due to their compact appearance, they are easy to transport and store, making them a good choice for both professionals on the move and hobbyists seeking convenience without sacrificing quality. Use scenarios - Assembling aluminum profile frames for machinery, enclosures, or 3D printer builds where M3–M8 screws are commonly used. - Repairing electronic devices or precision instruments that require small, burr-free set screws to avoid damage. - Securing delicate components in robotics, camera rigs, or other fine assemblies where precise fastening and portability matter.