S-95327A810 M20 x 70 mm ISO 4014, DIN 931 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 150,000 psi tensile strength for reliable performance in demanding applications
- Superior corrosion resistance through zinc yellow-chromate plating, extending service life in harsh environments
- Optimized fastening control with partial threading design for precise clamping force distribution
- High-strength Class 10.9 rating ensures consistent performance under heavy loads and vibration
- Easy installation and removal with standard external hex drive and 30mm head width for common tool compatibility
- Reliable thread engagement with coarse 2.5mm pitch and Class 6h fit for secure connections
- Rockwell C32 hardness provides excellent wear resistance and durability
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these M20 hex head screws deliver critical performance where structural integrity is paramount. The Class 10.9 steel construction combined with Rockwell C32 hardness provides exceptional resistance to fatigue and shear forces, making them ideal for construction machinery, structural steel connections, and industrial equipment assembly. The zinc yellow-chromate plating offers superior protection against corrosion in outdoor or chemically aggressive environments, while the partial threading design ensures optimal stress distribution across fastened joints. Compliant with ISO 4014 standards, these metric coarse thread screws provide reliable, standardized fastening solutions for engineering projects requiring predictable performance and long-term reliability.
Specification Summary & Compliance
Manufactured to ISO 4014 specifications (equivalent to DIN 931) with Class 6h thread fit ensuring precise dimensional accuracy. Features M20x2.5mm coarse metric threading with 70mm overall length and 46mm minimum thread length. The external hex drive with 30mm head width provides standard tool compatibility. Meets Class 10.9 strength requirements with 150,000 psi tensile strength and Rockwell C32 hardness. Compliant with RoHS and REACH environmental regulations for industrial use.
