S-94128A101 M3 DIN 927 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced Durability – Crafted from alloy steel with Rockwell B75 hardness for superior wear resistance and longevity in demanding industrial environments.
• Precise Alignment & Stability – Features a 4mm shoulder diameter with tight tolerance (-0.03mm to 0mm) to ensure accurate component positioning and reduced vibration.
• Reliable Thread Performance – Class 6g thread fit and 0.5mm coarse pitch provide secure fastening, easy assembly, and consistent load distribution.
• Space-Saving Design – Headless, slotted drive allows for flush mounting in confined spaces while enabling straightforward installation and adjustment.
• Broad Industry Compliance – Manufactured to DIN 927 standards and compliant with RoHS 3 and REACH, ensuring safety and environmental responsibility.
• Optimized for High-Stress Applications – The 3mm shoulder length with precise tolerance offers enhanced shear resistance and mechanical stability.
• Right-Hand Thread Efficiency – Standard right-hand thread direction simplifies installation and maintenance, reducing assembly time and errors.

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to address critical challenges in precision assemblies, such as misalignment and component wear. The alloy steel construction, combined with Rockwell B75 hardness, ensures exceptional strength and fatigue resistance in high-cycle applications like machinery, automotive systems, and electronic enclosures. The precise shoulder diameter and Class 6g thread fit minimize play and vibration, enhancing the reliability of moving parts. Its headless, slotted design is ideal for compact spaces, offering easy access without protruding hardware. By adhering to DIN 927 and featuring a coarse thread pitch, this screw delivers consistent performance in automated and manual assembly processes, reducing downtime and maintenance costs.

Specification Summary & Compliance

This shoulder screw maintains Class 6g thread fit per metric standards, with a shoulder diameter tolerance of -0.03mm to 0mm and shoulder length tolerance of -0.4mm to 0mm for precise integration. It conforms to DIN 927 manufacturing specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety requirements for industrial use.