S-90269A790 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 and black oxide finish, ideal for harsh industrial environments
- Precise component alignment ensured by the 8mm shoulder with tight diameter tolerance (-0.072 to -0.01 mm)
- High-strength performance delivering 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications
- Secure, non-slip installation with knurled head texture and 6mm hex socket drive for reliable torque transfer
- Consistent thread engagement with Class 5g6g thread fit and M8x1.25mm coarse thread for quick assembly
- Durable mechanical properties backed by Rockwell B79 hardness for long-term reliability
- Global compliance assurance meeting RoHS 3 and REACH regulations for safe, sustainable use
Professional Applications & Engineering Value
This M8 shoulder screw is engineered to address critical alignment and corrosion challenges in precision assemblies. The 316 Stainless Steel material, combined with a black oxide finish, provides exceptional resistance to chemicals and moisture, making it suitable for marine, chemical processing, and food machinery applications. The hex socket head with knurled texture ensures secure tool engagement, reducing slippage during installation in confined spaces. The 8mm shoulder acts as a precise spacer or pivot, maintaining component alignment in rotating mechanisms, while the coarse thread (1.25mm pitch) facilitates rapid assembly in high-volume production. Its robust construction supports industrial shoulder bolt uses in jigs, fixtures, and conveyor systems, where durability and precision are paramount.
Specification Summary & Compliance
This metric shoulder screw features a Class 5g6g thread fit with M8x1.25mm coarse threads, ensuring dimensional accuracy per ISO standards. The shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, providing consistent performance. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of restricted substances for safe industrial use.
