S-91280A164 M8 x 15 mm ASME B18.2.3.1M, ISO 4017, DIN 933 Medium-Strength Metric Class 8.8 Steel Hex Head Screws
Medium-Strength Metric Class 8.8 Steel Hex Head 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
- Exceptional Load-Bearing Capacity - Class 8.8 strength rating and 110,000 psi tensile strength ensure reliable performance under high-stress conditions
- Superior Corrosion Protection - Zinc plating provides enhanced resistance to rust and environmental degradation in industrial settings
- Optimized Fastening Efficiency - External hex drive with 13mm head width allows for high torque application and secure installation
- Precision Thread Engagement - M8 x 1.25mm coarse pitch with Class 6h thread fit ensures consistent, vibration-resistant connections
- Full Thread Coverage - Completely threaded 15mm length maximizes grip range and load distribution across applications
- Industry-Standard Compliance - Meets ASME B18.2.3.1M, ISO 4017, and DIN 933 specifications for guaranteed interchangeability
- Environmental Responsibility - RoHS 3 and REACH compliance ensures safe use in regulated industries and global markets
Professional Applications & Engineering Value
These M8 hex head screws deliver exceptional engineering value through their Class 8.8 steel construction and zinc-plated finish, specifically designed to address common industrial fastening challenges. The fully threaded right-hand coarse pitch design provides superior vibration resistance and prevents loosening in heavy machinery, automotive assemblies, and structural applications. With Rockwell C21 hardness and precise Class 6h thread fit, these fasteners maintain dimensional stability under dynamic loads while the external hex drive enables efficient installation in confined spaces. Ideal for manufacturing equipment, construction frameworks, and mechanical systems requiring high tensile strength and reliable long-term performance.
Specification Summary & Compliance
This metric hex head screw features precise M8 x 1.25mm coarse threading with Class 6h thread fit tolerance and 15mm fully threaded length. Manufactured to ASME B18.2.3.1M, ISO 4017, and DIN 933 standards for dimensional accuracy and interchangeability. The fastener demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.
