S-90278A554 M3 Shoulder Screws
Shoulder Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional Corrosion Resistance: Made from 18-8 stainless steel, offering reliable performance in harsh industrial environments and reducing maintenance costs.
- High Tensile Strength: Withstands up to 70,000 psi, ensuring secure fastening under heavy loads and minimizing failure risks.
- Precise Shoulder Fit: Features a 4mm shoulder diameter with tight tolerances for accurate alignment in assemblies, enhancing operational stability.
- Durable Hardness: Rockwell B55 hardness provides excellent wear resistance, extending the screw's service life in repetitive applications.
- Easy Installation: Hex socket drive (2mm) allows for quick, tool-friendly assembly, saving time and labor in production lines.
- Standardized Thread Fit: Class 6g thread ensures compatibility with metric nuts and components, promoting interchangeability and reducing errors.
- Compliance Assurance: Meets RoHS 3 and REACH regulations, supporting eco-friendly and safe usage in global markets.
Professional Applications & Engineering Value
This M3 shoulder screw is engineered from 18-8 stainless steel to address common industrial challenges like misalignment and corrosion. The 50mm shoulder length and precise 4mm shoulder diameter provide stable pivoting and spacing in machinery, reducing wear on moving parts. With a coarse thread spacing of 0.5mm pitch and Class 6g thread fit, it ensures quick assembly and reliable holding power in metric-based systems. Ideal for applications in automation, electronics, and precision equipment, this socket head shoulder screw enhances durability and minimizes downtime, thanks to its Rockwell B55 hardness and 70,000 psi tensile strength.
Specification Summary & Compliance
This shoulder screw adheres to metric standards with a Class 6g thread fit for precise engagement. Dimensions include a shoulder diameter tolerance of -0.025 to 0 mm and shoulder length tolerance of 0 to 0.05 mm, ensuring high accuracy. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for industrial use without hazardous substances.
