Overview
This Grade 12 alloy steel hex nut is engineered for the most demanding high-strength bolting applications. Manufactured from premium 35CrMo alloy steel and finished with a protective black oxide coating, this component delivers exceptional tensile strength and reliable corrosion resistance. It is designed to maintain clamp load integrity in environments subject to extreme pressure, heavy vibration, and dynamic stresses, providing a secure and durable fastening solution for critical assemblies.
Key Features
Manufactured from high-grade 35CrMo alloy steel for superior strength Grade 12 classification for maximum load-bearing reliability Black oxide finish provides a durable layer of corrosion protection Precision-machined M18 metric threads ensure consistent engagement 1.417 inch width across flats for standard tool compatibility Ideal for use with high-strength bolts in structural and mechanical systems
Specifications
System of Measurement: Metric Material Grade/Class: Grade 12
Material
Alloy Steel 35CrMo Thread Size: M18 Finish: Black Oxide Width Across Flats: 1.417 inches Package Quantity: 100
Applications
Critical structural steel connections Heavy machinery and equipment assembly High-pressure pipeline flanges Industrial valve and pump systems Mining, construction, and agricultural equipment Transportation and infrastructure projects








