S-91180A782 M14 x 40 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 harsh industrial environments
• High tensile strength of 110,000 psi ensures reliable performance under heavy loads and vibration
• Precise Class 6h thread fit provides secure, accurate mating with nuts and threaded components
• Fully threaded design offers maximum grip length and uniform load distribution
• External hex drive enables easy installation and removal with standard tools
• Class 8.8 strength grade delivers excellent durability for demanding mechanical applications
• Fine thread spacing (1.5mm pitch) provides superior resistance to loosening in dynamic applications

Professional Applications & Engineering Value

This M14 hex head screw with Class 8.8 strength rating and zinc plating addresses critical engineering challenges in industrial assembly. The metric fine thread configuration (1.5mm pitch) combined with Class 6h thread fit ensures precise engagement and vibration resistance in machinery, automotive systems, and structural frameworks. The fully threaded design maximizes contact surface area, distributing stress evenly to prevent joint failure. With 110,000 psi tensile strength and Rockwell C21 hardness, this fastener maintains integrity under extreme mechanical stress while the corrosion-resistant zinc finish protects against environmental degradation in manufacturing plants, outdoor equipment, and marine applications.

Specification Summary & Compliance

This metric hex head screw features M14 x 1.5mm thread dimensions with Class 6h thread fit precision and 40mm length. Manufactured to ISO 8676 specifications (equivalent to DIN 961) with Class 8.8 strength grade. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial sectors while meeting international quality standards for mechanical fasteners.