S-97505A143 M8 DIN 923 Shoulder Screws

Key Features & Benefits at a Glance

• Superior strength and durability with alloy steel construction and 58,000 psi tensile strength, ensuring reliable performance in demanding applications.
• Enhanced corrosion resistance from zinc plating, extending service life in harsh industrial environments.
• Precise alignment and reduced wear thanks to the 25mm shoulder with tight tolerances, providing stable bearing surfaces for moving parts.
• High hardness rating of Rockwell B71 for excellent wear resistance and reduced deformation under load.
• Easy installation and low-profile design with a socket head and smooth, low profile, allowing for compact assemblies and simple tool access.
• Accurate and reliable thread engagement with Class 6g thread fit and M8x1.25mm coarse thread, ensuring secure fastening and vibration resistance.
• Global compliance and safety by meeting DIN 923 standards, RoHS 3, and REACH regulations, making them suitable for international industrial use.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address common industrial challenges such as misalignment, component wear, and corrosion. The alloy steel material and zinc plating provide a robust solution that resists environmental damage, while the precise 25mm shoulder length with minimal tolerances ensures accurate positioning in machinery, reducing friction and maintenance needs. Ideal for applications in automation, automotive assemblies, and precision equipment, the metric coarse thread (M8x1.25mm) and low-profile socket head facilitate quick installation and space-saving designs, enhancing overall engineering efficiency and product longevity.

Specification Summary & Compliance

This shoulder screw adheres to tight dimensional tolerances, including a shoulder diameter of 10 mm with a tolerance of -0.036 mm to 0 mm and shoulder length of 25 mm with a tolerance of 0.1 mm to 0.2 mm. The thread fit is Class 6g per metric standards, ensuring precision in threading. It complies with DIN 923 specifications for consistent quality and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental standards for industrial use.