S-90269A945 M27 ISO 7379 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 and Black Oxide finish, ideal for harsh industrial environments.
- Precise alignment and reduced wear due to the 150mm shoulder with tight length tolerance (±0.25mm) and controlled shoulder diameter tolerance.
- High mechanical strength offering 70,000 psi tensile strength and 35,000 psi minimum shear strength for reliable, heavy-duty applications.
- Secure, non-slip installation enabled by the knurled head and 14mm hex drive, ensuring firm grip during assembly.
- Accurate and durable thread engagement with Class 5g6g thread fit and coarse M27x3mm metric thread, promoting long-term stability.
- Broad compliance and quality assurance meeting ISO 7379 standards, RoHS 3, and REACH regulations for safe, global use.
- Optimized for industrial durability with a Rockwell B79 hardness and standard shoulder fit, reducing maintenance needs.
Professional Applications & Engineering Value
This M27x3mm shoulder screw is engineered to address critical alignment and corrosion challenges in precision machinery, automation systems, and heavy equipment. The 316 Stainless Steel material and Black Oxide finish provide exceptional resistance to chemicals and moisture, extending service life in demanding conditions. The 150mm precision shoulder with minimal tolerances ensures exact component positioning, minimizing vibration and wear in assemblies like rotating shafts or bearing supports. With a hex drive and knurled head, it allows for secure, tool-friendly installation, enhancing efficiency in industrial applications where reliability and compliance with ISO 7379 are paramount.
Specification Summary & Compliance
This shoulder screw adheres to ISO 7379 specifications, featuring a Class 5g6g thread fit for precise metric threading. The shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring high dimensional accuracy. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), supporting environmentally safe and regulated use in global markets.
