M2.5 M3 M4 M6 Customized Six Star Plastic Knurled Thumb Screw Nut. Customizable Color: Available in Black with colorable options to match specific requirements. Customizable Size: Size can be customized according to customer design or sample specifications. Diverse Material Options: Constructed from PP, ABS, PA, Iron plated with white zinc, or SUS304. OEM and ODM Services: Full customization, minor customization, and flexible customization services available. Tool-Free Hand Tightening: Designed for convenient and quick installation without the need for tools. Wide Thread Range: Available in Metric (M4-M12) and Imperial (10#-2') thread sizes. Custom Head Style: Head style is fully customizable to suit specific application needs. 100% Quality Inspection: All finished products undergo visual and functional inspection before packing.