S-91180A822 M16 x 70 mm ISO 8765, DIN 960 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
- Superior corrosion resistance with zinc plating for extended service life in harsh industrial environments
- High tensile strength of 110,000 psi ensures reliable performance in demanding structural applications
- Precise Class 6h thread fit provides consistent engagement and vibration resistance in critical assemblies
- Partially threaded design allows for optimal clamp force distribution and material savings
- External hex drive compatibility enables quick installation with standard tools while resisting stripping
- Fine 1.5mm thread pitch delivers enhanced holding power and superior resistance to loosening under dynamic loads
- Class 8.8 strength certification guarantees consistent mechanical properties for safety-critical applications
Professional Applications & Engineering Value
This M16 hex head screw with Class 8.8 strength rating and zinc plated finish addresses critical engineering challenges in heavy machinery, structural steelwork, and industrial equipment assembly. The partially threaded metric design with fine 1.5mm pitch provides superior vibration resistance while maintaining precise clamp load distribution across joined components. The external hex drive configuration ensures reliable torque transmission during installation, preventing common issues like head stripping in high-torque applications. Engineered to ISO 8765 standards with Class 6h thread fit, this fastener delivers consistent performance in construction, manufacturing, and maintenance operations where high tensile strength and corrosion protection are essential for long-term structural integrity.
Specification Summary & Compliance
This metric fastener features M16 x 1.5mm fine threads with Class 6h thread fit tolerance and 38mm minimum thread length. Manufactured to ISO 8765 specification (equivalent to DIN 960) with Class 8.8 strength grade, Rockwell C21 hardness, and 110,000 psi tensile strength. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial use.
