S-97505A116 M4 DIN 923 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced Durability: Alloy steel construction with Rockwell B71 hardness provides superior resistance to wear and deformation in demanding industrial environments.
• Corrosion Protection: Zinc plating finish offers reliable defense against rust and oxidation, extending service life in various operating conditions.
• Precision Alignment: 16mm shoulder length with tight ±0.1mm tolerance ensures accurate component positioning and reduces assembly misalignment issues.
• High Load Capacity: 58,000 psi tensile strength delivers exceptional mechanical performance for applications requiring reliable fastening under stress.
• Secure Fastening: Class 6g thread fit with M4x0.7mm coarse threading provides consistent engagement and vibration resistance in dynamic applications.
• Space-Efficient Design: Low socket head profile allows installation in confined spaces while maintaining tool accessibility.
• Regulatory Compliance: Meets DIN 923 specifications and environmental standards including RoHS 3 and REACH for global market acceptance.

Professional Applications & Engineering Value

This M4 shoulder screw delivers critical engineering value in precision assembly applications where component alignment and dimensional stability are paramount. The alloy steel construction, combined with zinc plating surface treatment, addresses common industrial challenges including corrosion-induced failure and mechanical wear. The precisely machined 16mm shoulder length with minimal tolerance variation ensures accurate positioning in machinery, automation systems, and precision instruments. The low socket head design facilitates installation in space-constrained environments while maintaining the structural integrity needed for high-stress applications. With its coarse metric thread (M4x0.7mm) and Class 6g thread fit, this fastener provides reliable performance in vibrating environments common to industrial equipment, robotics, and manufacturing systems.

Specification Summary & Compliance

This precision shoulder screw features M4x0.7mm coarse threading with Class 6g thread fit tolerance, ensuring consistent engagement in industrial applications. The shoulder diameter maintains -0.03mm to 0mm tolerance while the critical shoulder length is controlled within ±0.1mm variation. Manufactured to DIN 923 specifications, this component demonstrates compliance with international standards including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for global industrial markets and environmentally conscious manufacturing operations.