S-91280A142 M4 x 22 mm ISO 4017, DIN 933 Medium-Strength Metric Class 8.8 Steel Hex Head Screws
Medium-Strength Metric Class 8.8 Steel Hex Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc plating, extending service life in demanding industrial environments
- Exceptional mechanical strength with Class 8.8 rating and 110,000 psi tensile strength for heavy-duty applications
- Reliable thread engagement with fully threaded M4x0.7mm coarse pitch design for faster assembly and secure fastening
- Optimized drive performance featuring external hex head design for high-torque applications and easy installation
- Precision manufacturing with Class 6h thread fit ensuring consistent performance and dimensional accuracy
- Enhanced durability with Rockwell C21 hardness providing excellent wear resistance and structural integrity
- Global compliance assurance meeting ISO 4017/DIN 933 standards for international project compatibility
Professional Applications & Engineering Value
These M4 hex head screws deliver critical engineering solutions where vibration resistance and structural integrity are paramount. The Class 8.8 steel construction provides reliable performance in machinery assembly, automotive components, and industrial equipment where dynamic loads are common. The fully threaded metric coarse pitch design ensures maximum thread engagement and prevents loosening under stress, while the zinc plating offers essential protection against corrosion in harsh operating environments. The external hex drive accommodates standard tools for efficient installation and maintenance, making these industrial screws ideal for production lines requiring consistent, high-volume fastening operations with minimal failure risk.
Specification Summary & Compliance
Manufactured to precise ISO 4017/DIN 933 standards with Class 6h thread fit tolerance for dimensional accuracy. These metric screws feature M4x0.7mm coarse pitch threading with right-hand orientation and full threading along the 22mm length. The fasteners are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors while maintaining the specified mechanical properties including 110,000 psi tensile strength and Rockwell C21 hardness.
