S-90269A522 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
- Superior corrosion resistance with 316 Stainless Steel construction for reliable performance in harsh environments
- Precise component alignment with 17mm shoulder length maintaining consistent spacing in assemblies
- Enhanced installation security through knurled socket head design preventing tool slippage
- High mechanical strength with 70,000 psi tensile strength and Rockwell B79 hardness for demanding applications
- Reliable thread engagement with Class 5g6g thread fit ensuring consistent fastening performance
- Easy installation and removal using standard 2.5mm hex drive tools
- Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial use
Professional Applications & Engineering Value
This M3 shoulder screw in 316 Stainless Steel provides critical solutions for precision assembly challenges where corrosion resistance and dimensional stability are paramount. The 17mm shoulder length serves as a precise spacer or pivot point in machinery, eliminating the need for additional components while maintaining exact alignment. The knurled socket head with 2.5mm hex drive ensures secure tool engagement during installation, reducing the risk of fastener damage in high-vibration environments. With its coarse 0.5mm pitch thread and Class 5g6g thread fit, this fastener delivers reliable performance in automated assembly systems while resisting loosening under dynamic loads. Ideal for precision equipment, medical devices, and marine applications where corrosion resistant shoulder screws must maintain integrity in demanding conditions.
Specification Summary & Compliance
This precision metric shoulder screw features M3 x 0.5mm coarse pitch threads with Class 5g6g thread fit per ISO standards, ensuring consistent engagement. Shoulder diameter maintains tight tolerance of -0.072 to -0.01 mm with shoulder length tolerance of 0 to 0.25 mm for precise component spacing. Manufactured from 316 Stainless Steel with Rockwell B79 hardness and 70,000 psi tensile strength. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations for industrial applications worldwide.
