S-94128A119 M8 DIN 927 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional Alignment Accuracy: The precisely machined 10mm shoulder diameter with tight tolerance (-0.07mm to 0mm) ensures perfect component alignment, reducing assembly errors and improving machine performance.
• Superior Durability & Strength: Made from high-grade alloy steel with Rockwell B75 hardness, this screw withstands heavy loads and resists wear in demanding industrial environments.
• Reliable Thread Engagement: Coarse M8x1.25mm right-hand threads with Class 6g fit provide secure, vibration-resistant fastening, minimizing the risk of loosening under dynamic conditions.
• Streamlined Assembly Process: The headless, slotted drive design allows for easy installation in confined spaces and facilitates quick adjustments during maintenance or prototyping.
• Consistent Dimensional Stability: A 16mm shoulder length with controlled tolerance ensures repeatable positioning, critical for precision machinery and automated systems.
• Broad Regulatory Compliance: Meets DIN 927 specifications and is RoHS 3 and REACH compliant, ensuring safe use in regulated industries and global market acceptance.
• Optimized for High-Stress Applications: The combination of robust material and precise shoulder fit delivers reliable performance in pivots, guides, and rotating assemblies.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address common challenges in precision mechanical assemblies, such as misalignment and component wobble. The alloy steel construction and Rockwell B75 hardness provide the necessary strength to handle rotational forces and impact in industrial machinery. The 10mm shoulder diameter with precise tolerance acts as a dependable pivot or locating dowel, ensuring that moving parts remain accurately aligned without additional bushings. Its headless design and slotted drive make it ideal for compact spaces in automation equipment, CNC fixtures, and conveyor systems, where reliable positioning and easy serviceability are critical. By integrating metric coarse threads and a Class 6g thread fit, it offers secure fastening that resists loosening from vibrations, enhancing the longevity and safety of your assemblies.

Specification Summary & Compliance

This shoulder screw adheres to DIN 927 standards, with a Class 6g thread fit ensuring dimensional accuracy for the M8x1.25mm coarse thread. The shoulder diameter tolerance is -0.07mm to 0mm, and shoulder length tolerance is -0.7mm to 0mm, guaranteeing precise assembly fit. It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in environmentally sensitive and regulated industries.