S-91280A526 M8 x 16 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

• Exceptional load-bearing capacity with 110,000 psi tensile strength for reliable performance in demanding applications
• Superior corrosion resistance through zinc plating, extending service life in harsh industrial environments
• Optimized mechanical properties with Rockwell C21 hardness, providing excellent wear resistance and durability
• Precise thread engagement with Class 6h fit and coarse pitch (M8x1.25) for quick assembly and secure fastening
• Full thread coverage along the 16mm length ensures maximum grip strength and uniform stress distribution
• Standard-compliant design meeting ISO 4017, DIN 933, and SAE J1199 for guaranteed interchangeability and quality
• Environmental compliance with RoHS 3 and REACH regulations for safe use across global markets

Professional Applications & Engineering Value

These Class 8.8 steel hex head screws deliver exceptional engineering value in industrial fastening applications where reliability is paramount. The M8 coarse thread design with external hex drive provides superior torque transmission, preventing stripping during high-torque assembly operations. The zinc plating surface treatment creates a protective barrier against oxidation and chemical exposure, making these metric hex screws ideal for machinery, equipment manufacturing, and structural applications. The fully threaded configuration ensures consistent clamping force distribution, while the right-hand thread design facilitates standard installation procedures. These industrial fasteners solve critical challenges in vibration-prone environments by maintaining joint integrity through their high tensile strength and precise thread fit specifications.

Specification Summary & Compliance

This M8 hex head screw features precise Class 6h thread fit tolerance with 1.25mm coarse pitch threading and 16mm length. Manufacturing complies with ISO 4017, DIN 933, and SAE J1199 standards, ensuring dimensional accuracy and performance reliability. The fastener meets RoHS 3 (2015/863/EU) compliance for restricted substances and REACH (EC 1907/2006) regulations for chemical safety, making it suitable for international industrial applications requiring certified components.