S-91180A745 M12 x 25 mm ISO 8676, DIN 961 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, extending service life in harsh industrial environments
- High tensile strength (110,000 psi) and Class 8.8 rating for reliable performance under heavy loads
- Precision fine thread (1.5mm pitch) with Class 6h fit ensures secure, vibration-resistant fastening
- Full threading along the 25mm length provides maximum grip and uniform stress distribution
- External hex drive design allows for easy installation with standard tools and high torque application
- Rockwell C21 hardness maintains thread integrity and prevents stripping during repeated use
- Compliance with ISO 8676 (DIN 961) guarantees dimensional accuracy and international interoperability
Professional Applications & Engineering Value
These M12 hex head screws deliver exceptional engineering value in demanding industrial applications where vibration resistance and long-term reliability are critical. The combination of Class 8.8 steel construction and fine thread spacing (1.5mm pitch) creates superior clamping force distribution, effectively preventing loosening in machinery, automotive assemblies, and structural frameworks. The zinc plated finish provides essential corrosion protection for equipment operating in humid or chemically aggressive environments, while the fully threaded design ensures maximum engagement depth for secure fastening in various material thicknesses. These metric screws are engineered to maintain precise Class 6h thread fit throughout their service life, reducing maintenance frequency and downtime in production facilities.
Specification Summary & Compliance
This M12 x 1.5mm x 25mm hex head screw features Class 6h thread fit tolerance and complies with ISO 8676 (DIN 961) dimensional standards. The fastener meets Class 8.8 strength grade requirements with verified 110,000 psi tensile strength and Rockwell C21 hardness. Manufacturing and material composition are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.
