S-92800A498 M18 x 70 mm DIN 931 18-8 Stainless Steel Hex Head Screws
18-8 Stainless 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 18-8 stainless steel construction, ideal for harsh industrial environments
- High tensile strength of 80,000 psi ensures reliable performance in demanding mechanical applications
- Precision Class 6g thread fit provides consistent engagement and reduces assembly issues
- Coarse 2.5mm pitch threading enables faster installation and better vibration resistance
- Partial threading design offers optimal clamping force distribution for secure fastening
- External hex drive with 27mm head delivers superior torque transmission and tool accessibility
- Full compliance with RoHS 3 and REACH standards ensures environmental responsibility and global market acceptance
Professional Applications & Engineering Value
This M18 hex head screw delivers critical engineering advantages through its 18-8 stainless steel composition and DIN 931 specification compliance. The material's inherent corrosion resistance solves durability concerns in chemical processing, marine, and outdoor applications where moisture exposure typically compromises fastener integrity. The coarse metric thread with 2.5mm pitch provides superior performance in soft materials and high-vibration environments, resisting loosening better than fine-thread alternatives. With partial threading and precise Class 6g thread fit, engineers achieve optimal clamp load distribution while minimizing stress concentration points. The external hex drive configuration ensures maximum torque application capability for heavy-duty assembly requirements across machinery, structural steel, and industrial equipment applications.
Specification Summary & Compliance
This metric hex head screw features M18 x 2.5mm coarse threading with Class 6g thread fit tolerance per ISO standards, ensuring precise dimensional accuracy. The 70mm length includes 42mm minimum thread engagement length for reliable fastening performance. Manufactured to DIN 931 specifications, these screws maintain consistent quality across production batches. Environmental compliance is verified through RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) certifications, confirming restricted substance adherence for global industrial applications.
