S-97307A129 M8 DIN 923 Shoulder Screws

Key Features & Benefits at a Glance

• Corrosion-resistant 18-8 stainless steel construction ensures long-term reliability in harsh environments, reducing maintenance costs and downtime.
• Precise 25mm shoulder length with tight ±0.1-0.2mm tolerance provides accurate alignment for components like gears and pulleys, minimizing vibration and wear.
• Class 6g thread fit and M8x1.25 coarse thread offers secure fastening with easy assembly, ideal for high-vibration industrial applications.
• Low profile socket head design allows for compact installations in space-constrained machinery while enabling high torque application.
• 70,000 psi tensile strength and Rockwell B55 hardness deliver exceptional load-bearing capacity and resistance to deformation under stress.
• DIN 923 compliance and RoHS/REACH certification guarantee adherence to international standards for safety and environmental regulations.
• Smooth head texture and 16mm head diameter facilitate clean, flush mounting without snagging on adjacent parts.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 18-8 stainless steel material provides excellent corrosion resistance, making it suitable for applications in chemical processing, food machinery, and outdoor equipment where moisture exposure is common. The 25mm shoulder length with minimal tolerance ensures precise positioning of rotating parts like bearings and cams, reducing misalignment-induced failures. Combined with the low profile socket head and Class 6g thread fit, it supports efficient installation in automated systems and high-stress environments, enhancing operational reliability while meeting DIN 923 standards for consistent performance.

Specification Summary & Compliance

This shoulder screw adheres to Metric system dimensions with an M8x1.25 coarse thread and Class 6g thread fit for standard industrial compatibility. The shoulder diameter tolerance is -0.036 to 0 mm, and shoulder length tolerance is ±0.1-0.2 mm, ensuring high precision. It conforms to DIN 923 specifications and is certified RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, affirming its suitability for regulated and environmentally conscious applications.