S-98434A704 ASTM A582 Metric-to-Metric Female Hex Thread Adapters

Key Features & Benefits at a Glance

• Seamless Metric Conversion - Enables reliable connection between M3 and M4 threaded components without compatibility issues
• Superior Corrosion Resistance - 18-8 stainless steel construction ensures long-term performance in harsh industrial environments
• High Mechanical Strength - 85,000 psi tensile strength and Rockwell B80 hardness withstand heavy operational loads
• Precision Thread Engagement - Class 6H thread fit guarantees secure, vibration-resistant connections with minimal backlash
• Easy Installation & Removal - 10mm external hex drive provides excellent torque transmission for quick assembly
• Comprehensive Standards Compliance - Meets ASTM A582, RoHS 3, and REACH requirements for quality assurance and environmental safety
• Optimized Design - 18mm hex length offers superior tool grip while maintaining compact dimensions

Professional Applications & Engineering Value

This M3 to M4 female hex thread adapter solves critical interconnection challenges in precision machinery, automation systems, and electronic enclosures where different metric thread sizes must interface reliably. The 18-8 stainless steel construction provides exceptional corrosion resistance for demanding environments including manufacturing facilities, outdoor equipment, and chemical processing applications. With its Class 6H thread fit precision and external hex drive design, engineers benefit from vibration-resistant connections that maintain integrity under dynamic loads while enabling quick maintenance access. The adapter's metric-to-metric conversion capability eliminates the need for custom machining or multiple connection components, streamlining assembly processes in industrial automation, robotics, and precision instrument manufacturing where space constraints and reliability are paramount concerns.

Specification Summary & Compliance

This precision adapter features Class 6H thread fit tolerance for both M3 (0.5mm pitch) and M4 (0.5mm pitch) threads, ensuring exact dimensional accuracy per metric standards. Manufactured in compliance with ASTM A582 specification for stainless steel threading components. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, containing no restricted substances above threshold limits. All dimensional parameters including 10mm hex size, 18mm hex length, and thread lengths are precision-machined to maintain consistent performance across industrial applications.