Overview
This Grade 10 carbon steel hex nut is engineered for demanding pipe flange connections and other high-strength bolting applications. It is manufactured to a precise 10-grade classification, ensuring reliable performance under significant tensile loads, pressure, and vibration. The metric M39 coarse thread provides robust engagement with corresponding studs and bolts, while the black oxide finish offers a layer of protection against corrosion in various industrial environments. Sold in a practical package quantity of ten, this nut is a critical component for assembly and maintenance crews requiring proven fastening solutions.
Key Features
Manufactured from high-grade carbon steel for superior strength Grade 10 classification for high-stress and high-pressure applications Black oxide finish provides a durable barrier against rust and corrosion Metric M39 coarse thread design for secure fastening in heavy-duty assemblies 2.165-inch width across flats ensures standard wrench compatibility Package quantity of ten for efficient inventory and job site use
Specifications
System of Measurement: Metric Material Grade/Class: Grade 10
Material
Carbon Steel Thread Size: M39 Finish: Black Oxide Width Across Flats: 2.165 inches
Applications
High-pressure pipe flange connections and gasketed joints Structural steel fabrication and heavy machinery assembly Pressure vessel manufacturing and maintenance Industrial pump, valve, and compressor installations Infrastructure projects requiring high-strength metric fasteners








