S-91280A596 M8 x 100 mm ISO 4017, DIN 933, SAE J1199, ISO 898 Medium-Strength Metric Class 8.8 Steel Hex Head Screws
Medium-Strength Metric Class 8.8 Steel Hex Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional 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
- Class 8.8 strength grade provides proven durability for critical structural and machinery applications
- Coarse M8x1.25 thread enables faster installation and reduced cross-threading risk
- Full threading along 100mm length offers maximum grip and adjustment flexibility
- External hex drive design allows for high-torque installation with standard tools
- Precision Class 6h thread fit guarantees consistent engagement and secure fastening
Professional Applications & Engineering Value
These M8 hex head screws deliver critical engineering solutions where vibration resistance and structural integrity are paramount. Manufactured from Class 8.8 steel with Rockwell C21 hardness, they maintain clamp load under dynamic stresses common in heavy machinery, construction equipment, and automotive assemblies. The coarse metric thread (M8x1.25) provides superior performance in soft materials and aluminum components by reducing stripping risk while accelerating production line installation. Zinc plating creates a sacrificial barrier against oxidation in outdoor or high-humidity environments, while the fully threaded design ensures uniform stress distribution across the entire 100mm length. These industrial screws solve common fastening challenges including joint relaxation, corrosion-induced failure, and installation inefficiency.
Specification Summary & Compliance
Manufactured to ISO 4017/DIN 933 dimensional standards with Class 6h thread tolerance for precision fit. Meets mechanical property requirements of ISO 898 and SAE J1199 specifications. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets.
