S-90447A135 M18 x 65 mm 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 load-bearing capacity with Class 10.9 strength grade, ensuring reliable performance in high-stress applications
- Superior corrosion resistance from black steel construction, extending service life in demanding industrial environments
- Optimized installation efficiency with external hex drive design providing secure tool engagement and torque transmission
- Enhanced thread engagement through coarse 2.5mm pitch threading, reducing cross-threading risks during assembly
- Full-length threading versatility allowing flexible positioning and maximum grip along the entire 65mm length
- Precision manufacturing compliance with DIN 933 standards ensuring dimensional accuracy and interchangeability
- Environmental regulation adherence meeting RoHS 3 and REACH requirements for safe, sustainable usage
Professional Applications & Engineering Value
These M18 hex head screws deliver critical engineering solutions for heavy-duty industrial applications where fastener failure is not an option. The Class 10.9 steel construction provides exceptional tensile strength (150,000 psi) and Rockwell C32 hardness, specifically engineered to withstand extreme vibrational forces and dynamic loads common in machinery assembly, structural steel connections, and automotive components. The fully threaded metric coarse pitch design ensures maximum thread engagement in both metallic and composite materials, while the external hex drive facilitates high-torque installation with standard tools. This combination addresses common industrial pain points including joint relaxation, material fatigue, and corrosion-induced degradation, making these DIN 933 compliant fasteners ideal for critical connections in construction equipment, manufacturing systems, and transportation infrastructure.
Specification Summary & Compliance
Manufactured to precise Class 6g thread fit tolerance with M18 x 2.5mm coarse metric threading and right-hand thread direction. Complies with DIN 933 dimensional standards for hex head screws. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements. Features 65mm length with 27mm hex head width and 11.5mm head height for standardized tool compatibility.
