S-90269A801 M8 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 through the 12mm shoulder diameter with tight tolerance control
- High-strength fastening solution delivering 70,000 psi tensile strength for demanding applications
- Secure installation and removal with 6mm hex socket drive and knurled head for enhanced grip
- Consistent thread engagement with Class 5g6g metric thread ensuring reliable assembly performance
- Durable long-term performance backed by Rockwell B79 hardness rating
- Environmental compliance assurance meeting RoHS 3 and REACH regulations for global applications
Professional Applications & Engineering Value
This M8 shoulder screw delivers exceptional engineering value in precision assemblies where alignment and corrosion resistance are critical. The 316 Stainless Steel construction provides superior protection against chemical exposure and atmospheric corrosion, making it ideal for marine, chemical processing, and food industry applications. The precision-machined 12mm shoulder diameter ensures accurate component positioning while the Class 5g6g thread maintains consistent clamping force. The combination of 70,000 psi tensile strength and knurled head design addresses common industrial challenges of vibration loosening and tool slippage, providing reliable performance in rotating machinery, automation systems, and precision instruments where dimensional stability is paramount.
Specification Summary & Compliance
This precision metric shoulder screw features M8x1.25 coarse pitch threads with Class 5g6g thread fit per ISO standards, ensuring dimensional accuracy and proper engagement. The shoulder maintains tight tolerances with diameter control from -0.072 to -0.01 mm and length tolerance of 0 to 0.25 mm. Manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, this fastener is certified for use in regulated industries and environmentally conscious applications worldwide.
