S-91280A086 M8 x 35 mm ISO 4017, DIN 933 Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior strength and durability with Class 8.8 steel construction, providing reliable performance under high-stress conditions
• Excellent corrosion resistance with black surface finish, extending service life in demanding industrial environments
• Precise thread engagement with Class 6g thread fit and M8 coarse pitch (1.25mm), ensuring secure fastening and vibration resistance
• Easy installation and removal with external hex drive and 13mm head width, compatible with standard tools for efficient maintenance
• Full thread coverage along the 35mm length, offering maximum grip and load distribution across connected materials
• High tensile strength rated at 110,000 psi, capable of withstanding heavy loads and mechanical stress
• Global compliance assurance meeting ISO 4017 DIN 933 standards, RoHS 3, and REACH regulations for international projects

Professional Applications & Engineering Value

These M8 hex head screws deliver exceptional engineering value in industrial applications where vibration resistance and structural integrity are critical. The Class 8.8 steel construction combined with Rockwell C21 hardness provides optimal strength-to-weight ratio, preventing thread stripping and deformation under dynamic loads. The coarse thread pitch (1.25mm) ensures rapid installation in various materials while maintaining superior holding power. The fully threaded design offers consistent clamping force distribution, making these metric screws ideal for machinery assembly, structural frameworks, and equipment manufacturing where reliable industrial fastening solutions are essential for operational safety and longevity.

Specification Summary & Compliance

This hex head screw features precise M8 x 1.25mm coarse threading with Class 6g thread fit tolerance according to ISO metric standards. The 35mm length provides full threading coverage with right-hand orientation. Manufactured to ISO 4017 DIN 933 specifications with Class 8.8 strength grade, these fasteners demonstrate compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring they meet international safety and quality standards for industrial applications.