S-91029A121 M12 x 45 mm ISO 4017, DIN 933 Extreme-Strength Metric Class12.9 Steel Hex Head Screws
Extreme-Strength Metric Class12.9 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
- Exceptional load-bearing capacity with 170,000 psi tensile strength for reliable performance in high-stress applications
- Superior corrosion resistance provided by zinc yellow-chromate plating, extending service life in harsh industrial environments
- Maximum thread engagement through fully threaded design ensuring secure fastening across the entire length
- Precise torque application enabled by external hex drive and standard 19mm head width for easy installation
- Enhanced durability with Rockwell C39 hardness rating, resisting deformation under heavy loads
- Reliable thread compatibility through M12 coarse pitch (1.75mm) design for quick assembly and disassembly
- Industry-standard compliance meeting ISO 4017/DIN 933 specifications for consistent quality and interchangeability
Professional Applications & Engineering Value
This Class 12.9 hex head screw delivers exceptional engineering value for demanding industrial applications where failure is not an option. The high-strength steel construction combined with zinc yellow-chromate plating provides critical protection against corrosion in manufacturing facilities, heavy machinery, and structural assemblies. The fully threaded M12 design with 1.75mm coarse pitch ensures maximum thread contact and vibration resistance, while the external hex drive allows for precise torque control during installation. Engineered to ISO 4017/DIN 933 standards, these metric screws offer reliable performance in automotive, construction, and industrial equipment applications where consistent quality and dimensional accuracy are paramount.
Specification Summary & Compliance
This M12 x 1.75mm x 45mm hex head screw features Class 6h thread fit tolerance for precise engagement and meets ISO 4017/DIN 933 specifications for dimensional accuracy. The fastener maintains Class 12.9 strength rating with verified 170,000 psi tensile strength and Rockwell C39 hardness. Manufacturing complies with international metric standards for right-hand coarse threading and includes RoHS and REACH compliance for environmental safety requirements.
