S-90854A235 M12 x 45 mm ISO 4017, DIN 933 High-Strength Metric Class 10.9 Steel Hex Head Screws
High-Strength Metric Class 10.9 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 tensile strength with Class 10.9 rating (150,000 PSI) ensures reliable performance in high-stress industrial environments.
- Superior corrosion resistance from zinc yellow-chromate plating extends service life in harsh or outdoor conditions.
- High hardness (Rockwell C32) provides excellent wear resistance and durability under repeated loads.
- Full threading along the 45mm length offers maximum grip and uniform clamping force across applications.
- Coarse thread pitch (1.75mm) allows for quick assembly and reduced risk of cross-threading in field operations.
- Precise Class 6h thread fit ensures smooth engagement and consistent fastening with standard metric nuts.
- External hex drive design with 19mm head enables easy installation using common wrenches for efficient maintenance.
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, this M12 hex head screw combines high-strength steel and zinc yellow-chromate finish to address critical challenges in machinery assembly, structural frameworks, and equipment manufacturing. The fully threaded metric design with coarse threading ensures rapid installation and vibration resistance, while the Class 10.9 tensile strength prevents failure under dynamic loads. Ideal for construction, automotive, and manufacturing sectors, it solves common issues like corrosion-induced degradation and loosening under stress, providing a dependable fastening solution that meets rigorous ISO 4017/DIN 933 specifications for dimensional accuracy and performance consistency.
Specification Summary & Compliance
This hex head screw adheres to ISO 4017/DIN 933 standards with precise metric thread dimensions (M12 x 1.75mm pitch) and Class 6h thread fit for consistent compatibility. It complies with common industry regulations, including RoHS and REACH, ensuring environmental safety and material quality. The manufacturing process follows established guidelines for strength grade Class 10.9 and zinc yellow-chromate plating, delivering reliable performance in demanding applications.
