uxcell 5/8-18 Hex Nuts, Carbon Steel Grade 8.8 Black Oxide Hexagon Nut for Screw Bolt, 2 of Pack

-Design: This hexagonal nut is made of high-strength carbon steel, which provides excellent hardness, wear resistance, and rigidity. The nut is suitable for fixing and connecting various high-demand mechanical equipment and parts. The black oxidation surface treatment not only enhances the aesthetic appeal but also improves anti-oxidation and corrosion resistance, thereby prolonging its service life.-Applications: The hex nut is versatile and can be used in different applications including car maintenance, construction engineering, furniture manufacturing, and other fields. With a product strength of 8, it ensures structural stability of buildings and cars while providing secure and reliable fastening.-Installation: To use this hexagonal nut, insert a wrench or socket driver of the correct size into the hexagonal space and rotate clockwise to tighten or counterclockwise to loosen. Ensure you have the right quantity and specifications before use and that the products are in good condition.-Specifications:Material: High-strength carbon steelSurface Treatment: Black oxidationStrength Grade: 8Size: 5/8-18Quantity: 2 per set-Contents: Each set comes with 2 hexagonal nuts.