S-91280A892 M20 x 100 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
- Superior corrosion resistance with zinc plating that protects against rust in demanding industrial environments
- High tensile strength of 110,000 psi ensures reliable performance in heavy-duty applications and structural connections
- Class 8.8 strength grade provides excellent load-bearing capacity for critical mechanical assemblies
- Precise Class 6h thread fit guarantees smooth installation and secure fastening with minimal play
- Partially threaded design allows for optimal clamping force distribution and vibration resistance
- External hex drive with 30mm head enables easy installation using standard tools with superior torque transmission
- Compliance with multiple international standards including ISO 4014 and DIN 931 ensures global interoperability
Professional Applications & Engineering Value
This M20 hex head screw delivers exceptional engineering value through its Class 8.8 steel construction and zinc plated finish, specifically designed to address common industrial challenges. The coarse 2.5mm pitch thread provides superior grip in structural steel connections, machinery assembly, and heavy equipment manufacturing, where vibration resistance and long-term reliability are critical. The partially threaded design concentrates clamping force precisely where needed, preventing joint loosening while the Rockwell C21 hardness ensures durability against wear and deformation. Ideal for construction, automotive, and industrial machinery applications, this metric screw offers predictable performance across diverse operating conditions while meeting rigorous international specifications.
Specification Summary & Compliance
Manufactured to exacting Class 6h thread fit tolerances with M20x2.5 coarse threading and 100mm length. Fully compliant with ISO 4014, DIN 931, and SAE J1199 manufacturing standards. Meets environmental regulations including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance. The Class 8.8 strength grade corresponds to ISO 898 specifications, ensuring consistent mechanical properties and performance reliability across industrial applications.
