S-90373A134 M16 x 40 mm ISO 4017, DIN 933 Extreme-Strength Metric Class12.9 Steel Hex Head Screws
Extreme-Strength Metric Class12.9 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 – Withstands up to 170,000 psi, ideal for high-stress assemblies and heavy machinery.
- Superior Hardness & Durability – Rockwell C39 hardness ensures resistance to wear, deformation, and fatigue in demanding environments.
- Precision Metric Coarse Threading – M16 x 2 mm coarse pitch with Class 6g fit enables quick, secure fastening and reliable load distribution.
- Full Thread Engagement – Fully threaded design maximizes grip length and provides uniform clamping force across the entire fastener.
- High-Strength Steel Construction – Class 12.9 grade material offers excellent mechanical properties for critical industrial applications.
- External Hex Drive Compatibility – Standard 24 mm hex head allows for easy installation with common tools, reducing assembly time.
- Compliant with International Standards – Meets ISO 4017 / DIN 933 specifications and adheres to RoHS 3 and REACH environmental regulations.
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, this M16 hex head screw delivers reliable performance in construction, machinery, and automotive assemblies. The Class 12.9 steel and fully threaded metric coarse design ensure high clamp load retention and vibration resistance, addressing common failure points in dynamic environments. With a 2 mm pitch and Class 6g thread fit, it provides precise alignment and reduces the risk of cross-threading during installation. The external hex drive and robust 24 mm head facilitate efficient torque application, making it a go-to high-strength fastener for projects demanding durability, compliance, and repeatable performance.
Specification Summary & Compliance
This fully threaded M16 x 2 mm screw adheres to ISO 4017 / DIN 933 standards, ensuring dimensional accuracy with a Class 6g thread fit and coarse thread spacing. It is manufactured from Class 12.9 steel, providing a tensile strength of 170,000 psi and Rockwell C39 hardness. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), meeting environmental and safety regulations for industrial use.
