S-90269A731 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 industrial environments and outdoor applications.
- Enhanced durability and load-bearing capacity from a high tensile strength of 70,000 psi and Rockwell B79 hardness.
- Precise alignment and spacing enabled by the 10mm shoulder diameter and 20mm shoulder length, reducing component wear.
- Secure, non-slip installation with a knurled head and 5mm hex drive, allowing for high torque application without stripping.
- Reliable thread engagement with a coarse M8x1.25mm thread and Class 5g6g fit, ensuring quick assembly and vibration resistance.
- Long-lasting surface protection from the black oxide finish, which adds an extra layer against oxidation and wear.
- Global compliance and safety by meeting ISO 7379 standards, RoHS 3, and REACH regulations for worry-free procurement.
Professional Applications & Engineering Value
This M8 shoulder screw is engineered to address critical challenges in precision machinery and assembly lines. The 316 Stainless Steel material offers exceptional resistance to chemicals and moisture, making it suitable for food processing, marine, and chemical handling equipment. Its coarse thread pitch and Class 5g6g thread fit facilitate rapid installation while maintaining secure fastening under dynamic loads. The black oxide finish not only enhances corrosion protection but also reduces galling during repeated use. With a precisely machined 10mm shoulder diameter and 20mm shoulder length, it provides stable pivot points and accurate spacing in rotating assemblies, jigs, and robotics, minimizing misalignment and extending component life.
Specification Summary & Compliance
This shoulder screw features an M8x1.25mm coarse metric thread with a Class 5g6g tolerance for consistent fit. The shoulder diameter is 10mm with a tolerance of -0.072 to -0.01 mm, and shoulder length is 20mm with a 0 to 0.25 mm tolerance, ensuring high dimensional accuracy. It is manufactured in compliance with ISO 7379 specifications and adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for global industrial applications.
