S-91280A941 M24 x 140 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 load-bearing capacity with 110,000 psi tensile strength and Class 8.8 rating for reliable performance in demanding applications
- Enhanced corrosion resistance through zinc plating, extending service life in harsh industrial environments
- Optimized thread engagement with partially threaded design and 54mm thread length for secure fastening without unnecessary threading
- Precise dimensional accuracy with Class 6h thread fit ensuring consistent performance and easy installation
- High hardness rating of Rockwell C21 providing excellent wear resistance and durability
- Universal compatibility with metric coarse thread (M24 x 3mm) meeting multiple international standards
- Secure external hex drive allowing for high torque application and reliable installation
Professional Applications & Engineering Value
These M24 hex head screws deliver exceptional engineering value in construction, heavy machinery, and industrial equipment assembly. The Class 8.8 steel construction provides the necessary strength for structural connections while the zinc plating offers critical corrosion protection in challenging environments. The partially threaded design with metric coarse thread ensures optimal clamping force distribution, preventing joint loosening under vibration and dynamic loads. With right-hand threading and external hex drive, these fasteners enable quick installation and removal, reducing maintenance downtime in industrial settings where reliability is paramount.
Specification Summary & Compliance
Manufactured to precise Class 6h thread fit tolerance with M24 x 3mm coarse thread specifications. Complies with ISO 4014, DIN 931, and SAE J1199 standards, ensuring international quality and interchangeability. Meets ISO 898 mechanical properties requirements for Class 8.8 fasteners. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making them suitable for global industrial applications.
