S-91280A893 M20 x 110 mm ISO 4014, DIN 931, SAE J1199, ISO 898 Medium-Strength Metric Class 8.8 Steel Hex Head Screws
Medium-Strength Metric Class 8.8 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 tensile strength of 110,000 psi ensures reliable performance in demanding applications, reducing the risk of fastener failure
- Class 8.8 strength grade provides superior load-bearing capacity for heavy machinery and structural assemblies
- Zinc plating finish offers excellent corrosion resistance, extending service life in harsh industrial environments
- Partially threaded design allows for precise clamping force distribution and secure joint connections
- External hex drive with 30mm head enables easy installation and high torque application with standard tools
- Class 6h thread fit ensures precise engagement and vibration resistance in critical applications
- Rockwell C21 hardness maintains thread integrity and prevents stripping during repeated use
Professional Applications & Engineering Value
This M20 hex head screw delivers exceptional engineering value through its Class 8.8 steel construction and metric coarse thread design, specifically engineered to address common industrial challenges. The partially threaded configuration provides optimal stress distribution while the zinc plated surface treatment ensures long-term corrosion resistance in demanding environments. Ideal for heavy-duty applications in construction, machinery assembly, and structural frameworks, this fastener's external hex drive allows for high-torque installation without compromising thread integrity. The right-hand thread with 2.5mm pitch ensures quick assembly while maintaining the strength required for critical connections where vibration resistance and reliability are paramount.
Specification Summary & Compliance
This hex head screw features precise Class 6h thread fit tolerance and metric coarse thread spacing with M20 x 2.5mm dimensions. Manufactured to meet ISO 4014, DIN 931, SAE J1199, and ISO 898 specifications, ensuring international compatibility and performance standards. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, guaranteeing safe use across various industrial sectors.
