S-98621A114 M3 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced Durability and Corrosion Resistance: Crafted from 18-8 Stainless Steel with a TiCN coating, this screw offers superior protection against wear and environmental factors, extending service life in demanding conditions.
• Precise Alignment and Secure Fit: The precisely machined 4mm shoulder diameter and 8mm shoulder length ensure accurate component location and prevent radial movement, reducing assembly errors.
• High Tensile Strength for Demanding Applications: With a tensile strength of 70,000 psi, this fastener reliably handles high-stress loads, providing a secure and long-lasting connection.
• Consistent and Reliable Thread Engagement: The Class 6g thread fit and M3x0.5mm coarse pitch ensure easy installation and a secure, vibration-resistant hold in various materials.
• Streamlined Installation with Standard Hex Drive: The 2mm hex socket head allows for efficient tightening with common tools, speeding up assembly processes and reducing labor time.
• Compliance with International Environmental Standards: As RoHS 3 and REACH compliant, this screw meets strict regulatory requirements, ensuring safety and suitability for global markets.
• Optimal Hardness for Versatile Use: A Rockwell B55 hardness rating provides a balance of strength and ductility, making it suitable for a wide range of mechanical fastening applications.

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to address critical challenges in precision assemblies, such as misalignment and component wear. The 18-8 Stainless Steel construction, combined with a TiCN coating, delivers exceptional corrosion resistance and reduced friction, ideal for high-cycle machinery and automotive components. Its Class 6g thread fit and precise shoulder diameter of 4mm ensure accurate positioning in jigs, fixtures, and rotating assemblies, minimizing downtime and maintenance. The coarse pitch and right-hand thread facilitate quick installation in tight spaces, while the 2mm hex drive allows for secure torque application. Commonly used in robotics, conveyor systems, and electronic enclosures, this metric shoulder screw enhances reliability and performance in demanding industrial environments.

Specification Summary & Compliance

This product adheres to metric standards with a Class 6g thread fit for precise tolerance. Key dimensions include a shoulder diameter of 4mm (tolerance: -0.025 to 0 mm) and shoulder length of 8mm (tolerance: 0 to 0.05 mm), ensuring consistent performance. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming its safety and environmental responsibility in industrial applications.