S-90854A324 M20 x 75 mm ISO 4017, DIN 933 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional Tensile Strength - Class 10.9 rating with 150,000 PSI tensile strength ensures reliable performance in heavy-duty applications
• Superior Corrosion Protection - Zinc yellow-chromate plating provides excellent resistance to rust and environmental degradation
• Maximum Fastening Efficiency - Fully threaded design offers complete engagement along the entire 75mm length for superior holding power
• Optimized Thread Performance - M20 coarse thread with 2.5mm pitch ensures quick installation and reduced cross-threading risks
• Precision Engineering - Class 6h thread fit guarantees consistent, reliable mating with nuts and threaded components
• Enhanced Durability - Rockwell C32 hardness provides excellent wear resistance and long service life
• Industry Standard Compliance - Meets ISO 4017/DIN 933 specifications for guaranteed quality and interchangeability

Professional Applications & Engineering Value

This M20 hex head screw delivers exceptional engineering value for demanding industrial applications where reliability cannot be compromised. The Class 10.9 steel construction provides the necessary high tensile strength for structural connections, heavy machinery assembly, and construction projects requiring heavy-duty fasteners. The zinc yellow-chromate plating offers superior corrosion resistance, making these metric bolts ideal for outdoor applications or environments with moisture exposure. The fully threaded design with coarse thread spacing ensures maximum load distribution and prevents loosening under vibration, while the external hex drive style allows for high-torque installation with standard tools. These industrial fasteners solve critical engineering challenges by providing consistent performance in applications ranging from construction steelwork to manufacturing equipment assembly.

Specification Summary & Compliance

This M20 hex head screw features precision metric thread specifications with Class 6h thread fit tolerance, ensuring optimal mating performance. The fastener maintains strict dimensional compliance with ISO 4017/DIN 933 standards, guaranteeing interchangeability and reliability across industrial applications. Manufacturing follows rigorous quality control processes to deliver consistent 75mm length with 2.5mm pitch coarse thread spacing and right-hand threading. The product meets international industrial standards for dimensional accuracy and mechanical properties, providing engineers and procurement specialists with confidence in specification compliance for critical fastening applications requiring Class 10.9 strength grade performance.