Overview
This Grade 4 carbon steel hex nut is engineered for reliable and economical fastening in a wide range of general industrial assembly and maintenance tasks. It conforms to the GB6170 standard, ensuring dimensional consistency and compatibility with standard M4 fasteners. The black oxide finish provides a layer of mild corrosion protection, reducing the risk of rust in typical indoor environments while offering a clean, non-reflective, and professional appearance. Packaged in quantities of 100, this product supports efficient inventory management and is ready for high-volume production lines or workshop use.
Key Features
Constructed from durable Grade 4 carbon steel for dependable strength Black oxide finish for basic corrosion resistance and a uniform dark appearance Precise metric threading ensures a secure fit with M4 bolts Consistent width across flats for compatibility with standard wrenches Bulk packaging of 100 units for cost-effective project and production supply
Specifications
System of Measurement: Metric Material Grade/Class: Grade 4
Material
Carbon Steel Thread Size: M4 Finish: Black Oxide Width Across Flats: 0.236 inches Package Quantity: 100 units
Applications
General machinery assembly and repair Fabrication of metal frames and structures Maintenance, repair, and operations (MRO) in industrial facilities Electronics enclosure and component mounting Light-duty automotive and equipment assembly where metric fasteners are specified
