Overview
This heavy-duty hex nut is engineered for the most demanding bolting applications in the petrochemical, heavy construction, and industrial machinery sectors. Manufactured from high-grade alloy steel, it is designed to deliver reliable, long-term performance in critical connections subject to extreme vibration, high loads, and challenging environmental conditions. The robust construction and premium finish make it a trusted component for maintenance, repair, and original equipment assembly where failure is not an option.
Key Features
Constructed from high-strength Grade 10 alloy steel for superior load-bearing capacity Black oxide finish provides a durable layer of protection against corrosion and oxidation Extra-thick design enhances thread engagement and distributes clamping force effectively Precision-machined threads ensure consistent, reliable mating with corresponding bolts Wide 2.52-inch across-flats dimension allows for high-torque installation with standard wrenches
Specifications
Thread Specification: Metric Coarse, M64 Width Across Flats: 2.52 inches
Material
Alloy Steel Material Grade: 10 Finish: Black Oxide System of Measurement: Metric Package Quantity: 2
Applications
Critical flange connections in refinery and pipeline systems Structural bolting in heavy machinery and industrial equipment High-pressure vessel and valve assemblies Anchor bolt systems in construction and infrastructure projects Maintenance and retrofit projects requiring high-strength metric fasteners








