Screwknobs for socket head screws | M3-M12

Screw knobs For M3–M12 socket head screwsThese star-shaped screw knobs are available in sizes M3, M4, M5, M6, M8, M10, and M12. They are ideal for enabling manual tightening and loosening of socket head screws without the need for tools.The shape is designed for comfortable grip and practical use in jigs, workshop projects, or general 3D printing assemblies. Each version is scaled to fit the corresponding screw size and includes a slot for the nut as well as a central hole for the screw. Required materialsTo use these knobs, one matching socket head screw (ISO 4762) and one nut (ISO 4032) is required.You might need to add a bit of glue or red loctite to fix the screw to the nut, so it doesn't turn loose, when you try to loosen what ever you tightened.