S-94128A104 M3 DIN 927 Shoulder Screws

Key Features & Benefits at a Glance

• High-precision alignment with a precisely machined 4mm shoulder diameter and 6mm shoulder length, ensuring accurate component positioning and reduced assembly time.
• Exceptional durability from high-strength alloy steel and Rockwell B75 hardness, providing reliable performance in high-stress industrial environments.
• Secure fastening with a Class 6g thread fit and coarse M3x0.5mm thread, offering excellent resistance to loosening under vibration.
• Easy installation and adjustment using the slotted drive style, allowing for straightforward manual tightening in confined spaces.
• Headless design for a low-profile installation, ideal for applications where space is limited and a flush surface is required.
• Full regulatory compliance with DIN 927 standards, RoHS 3, and REACH, ensuring safety and environmental responsibility in global markets.
• Right-hand thread direction for standard, intuitive installation, reducing the risk of errors during assembly.

Professional Applications & Engineering Value

This precision shoulder screw is engineered to address critical alignment and stability challenges in industrial applications such as machinery assemblies, precision instruments, and automated systems. The alloy steel construction and Rockwell B75 hardness ensure long-term reliability under mechanical stress, while the headless slotted design allows for compact installations without protruding components. The M3x0.5mm coarse thread and Class 6g thread fit provide secure fastening that resists vibration-induced loosening, making it ideal for dynamic environments. By adhering to DIN 927 standards, these screws deliver consistent performance, reducing downtime and maintenance costs in demanding engineering projects.

Specification Summary & Compliance

This M3 shoulder screw features a shoulder diameter of 4mm with a tight tolerance of -0.03mm to 0mm and a shoulder length of 6mm with a tolerance of -0.48mm to 0mm, ensuring precise fit in assembly. The metric thread is M3x0.5mm with a Class 6g thread fit and right-hand direction, manufactured in compliance with DIN 927 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and suitability for industrial use worldwide.