S-91294A557 M16 x 20 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws
Alloy Steel Hex Drive Flat 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 thanks to the black-oxide coating on alloy steel, ideal for harsh industrial environments.
- Superior load-bearing capability with a Class 10.9 strength grade and 120,000 psi tensile strength for reliable, heavy-duty fastening.
- Precise and secure fit ensured by Class 6g thread fit and coarse M16x2mm threading, reducing the risk of loosening under vibration.
- Efficient installation and removal with a 10mm hex drive and standard flat head profile, allowing for flush mounting and easy tool access.
- Enhanced durability and wear resistance from Rockwell C32 hardness, maintaining performance in high-stress applications.
- Full threading for maximum grip along the 20mm length, providing consistent clamping force across the entire fastener.
- Compliance with international standards including DIN 7991/ISO 10642, ensuring interoperability and quality in global projects.
Professional Applications & Engineering Value
This M16x2mm Class 10.9 black-oxide alloy steel flat head screw is engineered to address critical challenges in industrial assembly, such as vibration-induced loosening and environmental corrosion. The coarse thread pitch and Class 6g thread fit deliver reliable engagement in metals and composites, minimizing the need for frequent retightening in machinery, automotive frames, and structural steelwork. Its fully threaded design ensures uniform stress distribution, while the black-oxide surface treatment extends service life by resisting moisture and chemicals. Ideal for applications requiring high tensile strength and compliance with DIN 7991/ISO 10642, this screw provides a robust, long-lasting solution for engineers prioritizing safety and efficiency.
Specification Summary & Compliance
This fastener features a metric M16x2mm coarse thread with Class 6g tolerance for precise fit, and is manufactured to DIN 7991/ISO 10642 standards. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met for industrial use.
