S-90854A343 M30 x 120 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 corrosion resistance with zinc yellow-chromate plating, ideal for harsh industrial environments
- Superior load-bearing capacity from Class 10.9 high-strength steel, supporting up to 150,000 psi tensile strength
- Reliable fastening performance with fully threaded M30x3.5mm coarse thread design for secure, vibration-resistant connections
- Easy installation and removal using standard external hex drive tools, reducing assembly time and labor costs
- Long-term durability backed by Rockwell C32 hardness, maintaining structural integrity under heavy loads
- Global compatibility with ISO 4017/DIN 933 standards, ensuring interchangeability and quality assurance
- Optimized for heavy machinery with 120mm length and right-hand threading, perfect for construction and industrial equipment
Professional Applications & Engineering Value
Engineered for demanding industrial scenarios, these M30 hex head screws address critical challenges in heavy machinery assembly, structural steel connections, and equipment manufacturing. The Class 10.9 steel core provides exceptional fatigue resistance, preventing failure under dynamic loads, while the zinc yellow-chromate plating creates a robust barrier against rust and chemical exposure in outdoor or high-moisture environments. The fully threaded metric coarse thread (M30x3.5mm) ensures maximum grip length and distributes stress evenly, reducing the risk of joint loosening in vibration-prone applications like conveyor systems or automotive frames. With external hex drive compatibility, maintenance teams can achieve precise torque control using standard tools, streamlining both installation and future service operations.
Specification Summary & Compliance
This fastener maintains Class 6h thread fit tolerance for precise engagement and meets ISO 4017 / DIN 933 dimensional and mechanical specifications. Manufacturing follows international quality protocols, with material composition and zinc yellow-chromate finish compliant with RoHS and REACH environmental directives. The 150,000 psi tensile strength and Rockwell C32 hardness validate conformance to ASME and ISO strength grading requirements for industrial fasteners.
