Features Durability and Resistant: Crafted from carbon steel and coated with a protective layer of zinc, these hex nuts boast enhanced durability and resistant, making them ideal for both indoor and outdoor applications. Whether in humid or dry conditions, these fasteners maintain their integrity and strength. Broad Compatibility: These fasteners are widely used in numerous fields, including home appliances, communication equipments, and shipbuilding. Their robust construction ensures secure joins in any machinery, enhancing structural integrity and reliability across various industries. Secure Fastening Solution: These galvanized hex nuts are designed to securely fit bolts, studs, or machine screws. They play a crucial role in fastening two parts together, ensuring they act as a single cohesive unit. This feature is pivotal for assembly applications where stability and dependability are paramount. Ideal for Various Applications: These M6 * 40 hex nuts are replacements for worn or damaged nuts in industrial and construction settings. Their standardized sizing build make them suitable for a plethora of projects, from large scale constructions to detailed repairs. Versatile Fastening Tool: With their hexagonal shape, these nuts offer multiple angles for tightening and loosening, making them highly versatile and easy to work with. The six-sided design ensures that tools can grip them well, reducing slippage and increasing efficiency during assembly. Features: 1. These hex nuts are made of zinc plated carbon steel material, which provides strength and zinc cover offers good resistant. 2. Hexagonal shape has 6 sides that gives a good granularity of angles for a tool to approach from. 3. These hex nuts will be great replacement for industrial and construction fasteners. 4. Used widely in the home and office appliance, communication equipment, ship assembly and other machinery industry. 5. Used to fit bolts, studs or machine screws for fastening two parts together to make them one piece. Specification: Product material: carbon steel Treatment: galvanized Quantity: 5pcs Type: M6 * 40 Package list: 5 * Standoff Package List Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.