Premium Quality & Construction: Crafted using high-carbon steel with a black nickel-plated finish, these screws and nuts offer high hardness and reliable performance. Designed for durability and long-term use. Versatile Applications: Ideal for anchoring rack server cabinets, server shelves, A/V device enclosures, and similar equipment. These M6 cage nuts and screws feature universal compatibility with standard square-hole racks and cabinets, making them suitable for a wide range of hardware installations. Intuitive Square Cage Nut Design: Specifically engineered for racks and cabinets with square holes, enabling secure and stable mounting of standard rack-mountable equipment. Standard Metric Conformance: Screws and lock nuts comply with standard metric specifications, with dimensional accuracy within ±0.01 mm. Threads are precisely formed and uniformly stressed to minimize deformation and slippage during installation. Deep, clear flat crossheads support efficient, secure tightening. Color: Black Material: Carbon Steel Package Contents: 150 x Computer Rack Mount Cage Screws and Nuts Note: Slight color variation may occur due to lighting conditions and display settings. This does not affect functionality. Measurements are subject to a tolerance of ±1–3 mm.