Overview
Engineered for the most demanding high-pressure and high-vibration environments, this heavy hex nut is specifically designed for critical petrochemical, pipeline, and heavy construction applications. Its robust, oversized design provides a larger bearing surface and greater wrench clearance compared to standard hex nuts, ensuring a secure, high-integrity connection that withstands extreme loads and prevents loosening. Manufactured to exacting international standards, this component is a cornerstone of safety and reliability in industrial bolting assemblies.
Key Features
Constructed from high-strength Grade 10 alloy steel for exceptional tensile strength and durability. Heavy hex design offers a larger wrenching surface and increased bearing area for superior clamp load distribution. Black oxide finish provides a protective layer for enhanced corrosion resistance in harsh service environments. Oversized dimensions and premium material ensure consistent performance under sustained stress and vibration. Precision-cut threads guarantee a perfect mate with corresponding bolts for a secure, reliable fit.
Specifications
System of Measurement: Metric Material Grade/Class: Grade 10
Material
Alloy Steel Thread Size: M33 Finish: Black Oxide Width Across Flats: 1.299 inches Package Quantity: 20 units
Applications
Critical flange connections in petrochemical refineries and processing plants. High-pressure pipeline systems and valve assemblies. Structural steel connections in heavy industrial construction and infrastructure. Machinery and equipment requiring high-strength, vibration-resistant fasteners. Any heavy-duty bolting application where joint integrity and safety are paramount.








