S-90265A557 M3 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 18-8 stainless steel construction, ideal for harsh industrial environments
- Enhanced durability and wear resistance from black oxide finish, providing long-lasting performance
- High-strength reliability with 70,000 psi tensile strength and 45,000 psi minimum shear strength for demanding applications
- Precise alignment and smooth rotation thanks to the knurled head and standard shoulder fit
- Easy installation and removal using a standard 2 mm hex drive, reducing assembly time
- Accurate thread engagement with Class 5g6g thread fit and coarse pitch for secure fastening
- Compliance with international standards including ISO 7379, ensuring consistent quality and interchangeability
Professional Applications & Engineering Value
This M3 shoulder screw is engineered to address critical alignment and durability challenges in industrial applications. The 18-8 stainless steel material offers excellent resistance to corrosion and oxidation, while the black oxide finish enhances surface hardness and reduces galling. The knurled head provides improved grip during manual adjustments, and the hex drive allows for high-torque installation without slippage. Commonly used in machinery, automotive assemblies, and precision instruments, this metric shoulder screw ensures reliable performance in high-stress environments where thread integrity and shoulder stability are paramount. Its coarse pitch thread facilitates quick assembly, making it a versatile choice for OEM and MRO needs.
Specification Summary & Compliance
This shoulder screw features a Class 5g6g thread fit with precise shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm, ensuring consistent dimensional accuracy. It conforms to ISO 7379 manufacturing standards and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material reliability for global industrial use.
