S-91280A887 M20 x 60 mm ISO 4014, DIN 931, SAE J1199, ISO 898 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
- Superior corrosion resistance with zinc plating for extended service life in harsh industrial environments
- Exceptional mechanical strength with Class 8.8 rating and 110,000 psi tensile strength for heavy-duty applications
- Optimized clamping performance through partially threaded design with 46mm minimum thread engagement
- Reliable installation and removal with external hex drive and 30mm head width for secure tool engagement
- Precision thread compatibility with Class 6h fit and coarse 2.5mm pitch for quick assembly and vibration resistance
- Industry-standard compliance meeting ISO 4014, DIN 931, SAE J1199, and ISO 898 specifications
- Environmental regulation adherence with RoHS 3 and REACH compliance for global market acceptance
Professional Applications & Engineering Value
These M20 hex head screws deliver critical performance in demanding industrial applications where vibration resistance and structural integrity are paramount. The Class 8.8 steel construction provides reliable strength for heavy machinery, structural steel connections, and equipment assembly. The zinc plated finish offers essential corrosion protection in manufacturing facilities, outdoor installations, and marine-adjacent environments. The partially threaded design ensures maximum clamping force where needed while reducing weight and material usage. With coarse metric threading and external hex drive, these fasteners enable rapid installation and maintenance in construction, automotive, and industrial machinery applications where downtime is costly.
Specification Summary & Compliance
This M20 x 2.5mm hex head screw features precise Class 6h thread fit per metric standards with 46mm minimum thread length and 60mm overall length. Manufactured to ISO 4014, DIN 931, SAE J1199, and ISO 898 specifications, ensuring dimensional accuracy and mechanical performance. The fastener demonstrates Rockwell C21 hardness and meets environmental compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations for safe use across global markets.
