S-92981A152 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
- Enhanced Durability – Black oxide finish provides superior corrosion resistance, extending service life in demanding industrial environments.
- High Tensile Strength – Alloy steel construction delivers 140,000 psi tensile strength, ensuring reliable performance under heavy loads.
- Precision Shoulder Fit – Standard shoulder fit and controlled diameter tolerance (-0.072 to -0.01 mm) enable accurate alignment and reduced component wear.
- Secure Fastening – Class 5g6g thread fit and coarse thread pitch (M8x1.25mm) offer excellent vibration resistance and quick assembly.
- Easy Installation – 5 mm hex drive and smooth socket head allow for straightforward torque application with standard tools.
- Regulatory Compliance – Meets ISO 7379 specifications and is RoHS 3 & REACH compliant, ensuring safety and environmental standards.
- Optimized Shear Resistance – Minimum 84,000 psi shear strength provides structural integrity in high-stress applications.
Professional Applications & Engineering Value
This M8 shoulder screw is engineered with alloy steel and a black oxide finish to address critical challenges in precision machinery, automation systems, and assembly jigs. The shoulder diameter of 10 mm with tight tolerance ensures exact positioning, minimizing misalignment and bearing surface wear. Its coarse thread pitch and Class 5g6g thread fit enhance grip in vibrating environments, reducing maintenance needs. Ideal for securing rotating parts or guiding linear motion, this screw offers reliable shear strength and ISO 7379 compliance, making it a trusted component for industrial applications requiring durability and dimensional accuracy.
Specification Summary & Compliance
This shoulder screw features M8x1.25 mm coarse threads with a Class 5g6g thread fit per ISO standards, ensuring precise engagement. The shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, supporting high dimensional accuracy. It complies with ISO 7379 for mechanical properties, RoHS 3 (2015/863/EU) for hazardous substance restrictions, and REACH (EC 1907/2006) for chemical safety, affirming its suitability for global industrial use.
