S-97505A107 M3 DIN 923 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced Durability & Corrosion Resistance – Zinc plating provides superior protection against rust and environmental degradation, extending service life in demanding conditions.
• High Tensile Strength & Reliability – Made from high-strength alloy steel with a tensile strength of 58,000 psi, ensuring secure and long-lasting fastening under stress.
• Precision Thread Fit for Smooth Assembly – Class 6g thread fit guarantees consistent, reliable engagement with mating components, reducing the risk of cross-threading.
• Optimized Shoulder for Accurate Positioning – The 10mm shoulder with controlled tolerances acts as a precise pivot or spacer, improving alignment in mechanical assemblies.
• Low-Profile Socket Head Design – Allows for compact installation in tight spaces while providing a secure drive interface with standard tools.
• Compliance with International Standards – Meets DIN 923 specifications and is RoHS 3 & REACH compliant, ensuring safety and regulatory acceptance in global markets.
• Robust Material Hardness – Rockwell B71 hardness ensures the screw maintains its form and thread integrity under repeated use and high loads.

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to address critical alignment and load-bearing challenges in precision assemblies. The alloy steel construction, combined with a zinc-plated finish, offers exceptional resistance to wear and corrosion, making it ideal for automotive, machinery, and electronics applications where environmental factors are a concern. The 10mm shoulder length provides a stable bearing surface, reducing friction and preventing component misalignment in rotating parts or linkages. With a coarse metric thread (M3x0.5) and right-hand thread direction, it ensures quick and secure installation, minimizing assembly time while upholding high mechanical integrity. This screw delivers reliable performance in industrial fastening systems, supporting everything from conveyor mechanisms to precision instruments.

Specification Summary & Compliance

The screw features a Class 6g thread fit per ISO standards, ensuring dimensional accuracy and compatibility. Shoulder diameter is 4 mm with a tolerance of -0.03 mm to 0 mm, and shoulder length is 10 mm with a tolerance of 0.07 mm to 0.15 mm for precise fitment. It is manufactured in accordance with DIN 923 and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, affirming its suitability for use in regulated industries.