S-90269A285 M8 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, ideal for harsh environments and chemical exposure.
- Precise component alignment enabled by the 17mm shoulder with tight diameter tolerance, reducing assembly errors.
- High mechanical strength with 70,000 psi tensile and 35,000 psi shear strength, ensuring reliable performance under load.
- Secure, non-slip fastening from the knurled head and 5mm hex socket drive, allowing for high-torque installation.
- Consistent thread engagement with Class 5g6g fit and M8x1.25 coarse pitch for quick assembly and vibration resistance.
- Durability and hardness at Rockwell B79, maintaining thread integrity and wear resistance over repeated use.
- Global compliance assurance meeting ISO 7379, RoHS 3, and REACH, ensuring safety and regulatory acceptance.
Professional Applications & Engineering Value
This M8 shoulder screw in 316 Stainless Steel is engineered to address critical industrial challenges such as misalignment, corrosion, and mechanical failure. The 17mm shoulder length with precise tolerances acts as a pivot or spacer, ensuring accurate positioning in assemblies like rotating machinery, conveyor systems, and precision instruments. The hex socket drive and knurled head provide secure grip during installation, reducing tool slippage in confined spaces. With a coarse thread pitch of 1.25mm, it offers rapid assembly and enhanced resistance to loosening under vibration, making it ideal for industrial applications in automotive, marine, and food processing equipment where durability and corrosion resistance are paramount.
Specification Summary & Compliance
This shoulder screw adheres to ISO 7379 standards, with thread dimensions of M8x1.25 and a Class 5g6g thread fit for consistent engagement. The shoulder features a diameter of 10 mm with a tolerance of -0.072 to -0.01 mm and length of 17 mm with 0 to 0.25 mm tolerance, ensuring high precision. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming it is free from hazardous substances and suitable for global industrial use.
