S-91280A396 M6 x 100 mm ISO 4017, DIN 933, SAE J1199, ISO 898 Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc plating for extended service life in harsh industrial environments
• High tensile strength of 110,000 psi ensures reliable performance under heavy loads and vibration
• Class 8.8 strength rating provides dependable mechanical properties for critical applications
• Precision Class 6h thread fit guarantees smooth assembly and secure fastening
• Rockwell C21 hardness offers excellent wear resistance and durability
• Full threading along 100mm length allows for adjustable positioning and maximum grip
• External hex drive design enables easy installation with standard tools

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these M6 hex head screws combine Class 8.8 high-strength steel with zinc plating to solve common engineering challenges. The fully threaded metric coarse thread design ensures maximum load distribution and vibration resistance in machinery assembly, structural frameworks, and heavy equipment. With Rockwell C21 hardness and precise Class 6h thread fit, these fasteners prevent stripping and maintain clamping force in high-stress environments. The external hex drive facilitates quick installation in confined spaces, making them ideal for automotive, manufacturing, and construction applications where reliability and corrosion protection are paramount.

Specification Summary & Compliance

Manufactured to exacting standards with Class 6h thread tolerance and metric coarse threading (M6 x 1mm pitch). Complies with ISO 4017, DIN 933, and SAE J1199 specifications for dimensional accuracy and mechanical properties. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements, ensuring safe use across global industrial markets.