S-91273A828 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
- Enhanced corrosion resistance and durability with 18-8 stainless steel construction and black oxide finish, ideal for harsh industrial environments.
- Precise component alignment and reduced wear due to the 50mm shoulder with tight diameter tolerance, ensuring accurate positioning in assemblies.
- High tensile strength of 70,000 psi and Rockwell B55 hardness for reliable performance in heavy-duty applications without failure.
- Secure and easy installation with a knurled head and 4 mm hex drive, providing superior grip and torque application.
- Consistent thread engagement with Class 5g6g fit and M8x1.25 coarse thread, enabling quick assembly and vibration resistance.
- Compliance with RoHS 3 and REACH standards, ensuring environmental safety and suitability for global industrial markets.
- Versatile right-hand metric threading for compatibility with standard components, streamlining procurement and replacement.
Professional Applications & Engineering Value
This M8 shoulder screw is engineered to address common industrial challenges such as misalignment and component wear in machinery. The 50mm shoulder length with precise diameter tolerance provides a stable bearing surface, reducing stress on threaded sections and extending equipment life. Made from 18-8 stainless steel with a black oxide finish, it offers excellent corrosion resistance in demanding environments like automotive assemblies or conveyor systems. The knurled head and hex drive facilitate quick, secure fastening, while the Class 5g6g thread fit ensures reliable performance in high-vibration applications, minimizing maintenance downtime and enhancing operational efficiency.
Specification Summary & Compliance
This shoulder screw features a metric M8x1.25 coarse thread with Class 5g6g tolerance for precise fit, a shoulder diameter of 8 mm (tolerance: -0.04 to -0.01 mm), and shoulder length of 50 mm (tolerance: 0 to 0.25 mm). It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial use.
