S-93590A319 M3 x 9 mm Coupling Nuts

Key Features & Benefits at a Glance

• Exceptional Corrosion Resistance: Black-oxide coated 18-8 stainless steel construction ensures long-term durability and reliability in harsh or humid industrial environments.
• Precision Thread Fit: Class 6H thread fit guarantees consistent, secure connections with minimal risk of cross-threading or loosening in demanding applications.
• Robust Mechanical Strength: Fully threaded design and standard external hex drive provide superior clamping force and ease of installation with common tools.
• Optimized for Metric Assemblies: M3 x 0.5mm coarse pitch threading ensures quick assembly and reliable performance in metric-based machinery and equipment.
• Enhanced Grip and Torque Application: External hex drive style allows for high torque application, reducing installation time and improving workplace efficiency.
• Compliance and Safety Assurance: Meets RoHS 3 and REACH environmental standards, ensuring safe use in regulated industries and global markets.
• Versatile Coupling Solution: Standard profile and right-hand threading make it ideal for joining two threaded rods or components in various mechanical frameworks.

Professional Applications & Engineering Value

This M3 coupling nut is engineered to address critical challenges in precision assembly and corrosion resistance. Manufactured from Black-Oxide 18-8 Stainless Steel, it provides excellent protection against oxidation and chemical exposure, making it suitable for automotive, electronics, and outdoor equipment where environmental factors are a concern. The fully threaded, coarse pitch metric design (0.5mm pitch) ensures rapid, secure engagement, reducing assembly time while maintaining Class 6H thread fit accuracy. This minimizes the risk of thread stripping and vibration-induced loosening, enhancing the longevity of connected components. Its external hex drive facilitates easy installation with standard wrenches, supporting efficient maintenance and repair workflows in industrial settings.

Specification Summary & Compliance

This coupling nut features M3 metric threading with a 0.5mm coarse pitch and complies with Class 6H thread fit standards for precise dimensional accuracy. The external hex drive measures 5mm in width, with a total length of 9mm. It is fully manufactured in accordance with industry specifications for metric coarse threading and is verified to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring adherence to strict environmental and safety regulations.