S-91180A787 M14 x 55 mm ISO 8676, DIN 961 Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc plating, extending service life in demanding industrial environments
• High tensile strength of 110,000 psi (Class 8.8) ensures reliable performance under heavy loads and vibration
• Precise Class 6h thread fit provides smooth installation and secure fastening in metric applications
• Fine 1.5mm pitch threading offers enhanced grip and vibration resistance compared to coarse threads
• Full threading along 55mm length allows maximum adjustability and load distribution
• External hex drive design enables high-torque installation with standard tools for efficient assembly
• Rockwell C21 hardness maintains thread integrity and prevents stripping during repeated use

Professional Applications & Engineering Value

This M14 hex head screw delivers exceptional engineering value for industrial applications requiring high tensile strength and corrosion protection. The Class 8.8 steel construction with zinc plating addresses common failure points in machinery, structural assemblies, and equipment subjected to dynamic loads and environmental exposure. The fine 1.5mm pitch metric thread provides superior resistance to loosening under vibration, while the external hex drive facilitates quick installation in confined spaces. Engineered to ISO 8676 standards with fully threaded design, this fastener ensures consistent performance in automotive, manufacturing, and construction applications where reliability is critical.

Specification Summary & Compliance

Manufactured to ISO 8676 (DIN 961) specifications with Class 6h thread fit tolerance for precision mating. The metric fine thread (M14 x 1.5mm) features right-hand threading and 55mm length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial sectors.