S-90269A549 M4 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
- Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and chemical exposure
- Enhanced durability and strength with Rockwell B79 hardness and 70,000 psi tensile strength for reliable performance under load
- Precise alignment and spacing provided by the 4mm shoulder length with standard fit, reducing assembly errors
- Secure, tamper-resistant fastening with socket head and 3mm hex drive for easy installation in confined spaces
- Consistent thread engagement ensured by Class 5g6g thread fit and M4 x 0.7mm coarse pitch for quick assembly
- Long-lasting surface protection from black oxide finish, minimizing wear and extending service life
- Compliance with environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries
Professional Applications & Engineering Value
This M4 shoulder screw is engineered to address common industrial challenges such as misalignment, vibration loosening, and corrosion in demanding settings. The 316 stainless steel material offers excellent resistance to chemicals and moisture, while the black oxide finish adds an extra layer of protection against abrasion. The integrated shoulder design provides precise positioning for components in machinery, automotive assemblies, and electronic enclosures, reducing the need for additional bushings or spacers. With a metric thread and socket head, it ensures easy installation and maintenance in tight spaces, making it a reliable choice for applications requiring high tensile strength and long-term performance.
Specification Summary & Compliance
This shoulder screw adheres to metric system standards with precise dimensions: M4 x 0.7mm thread size, 10mm thread length, and 4mm shoulder length. Thread fit conforms to Class 5g6g tolerance for consistent performance. Shoulder diameter tolerance ranges from -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring accurate assembly. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting safe and environmentally responsible industrial use.
