S-91280A782 M14 x 40 mm ISO 4017, DIN 933, ISO 898 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 vibrations
• Class 8.8 strength grade provides excellent durability for demanding mechanical assemblies
• Fully threaded M14x2 coarse thread design allows for faster installation and maximum grip length
• Precise Class 6h thread fit guarantees smooth engagement and consistent clamping force
• External hex drive with standard 22mm head enables easy tightening with common tools
• Compliance with ISO 4017 and DIN 933 standards ensures interchangeability and quality assurance

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these M14 hex head screws deliver exceptional reliability in machinery, structural frameworks, and equipment assembly. The Class 8.8 steel construction combined with zinc plating effectively combats corrosion, reducing maintenance needs in exposed or humid conditions. The fully threaded metric coarse design (M14x2) ensures rapid installation and robust holding power, while the external hex drive facilitates efficient torque application with standard wrenches. Ideal for automotive, construction, and manufacturing sectors where high tensile strength (110,000 psi) and consistent performance are critical to operational safety and longevity.

Specification Summary & Compliance

This M14 hex head screw features metric coarse threading (M14x2) with Class 6h thread fit tolerance and fully threaded design per ISO 4017 and DIN 933 standards. Manufactured from steel with Rockwell C21 hardness, it meets Class 8.8 strength grade requirements and 110,000 psi tensile strength. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards for industrial use.