8Pcs Hex Coupling Nuts,M8x1.0-Pitch UNF 20mm/0.79" Length, 304 SS

[Metric Hex Coupling Nuts]: Thread Size: M8 x 1mm; Length: 20mm/0.79"; Hex Width: 13mm/0.51"; Drive Type: External Hex | [Sturdy & Durable]: These hex coupling nuts are made of 304 stainless steel material with a polished finish, ensuring they are tough, non-rusting, non-oxidizing, and possess good corrosion and heat resistance. | [Features]: The rod coupling nut is designed with six sides for maximum torque and easy grip. It is used to securely join two fasteners or fittings, such as threaded rods or pipes, together. | [Installation]: Easy to install, needs to be tightened with a wrench so that the two parts of fasteners or fittings are joined together. Make sure to properly tighten (don't over-tighten) the hex nuts so they don't come off. | [Application]: The hexagon coupling nuts are versatile and reliable accessories widely used across industries such as machinery, construction, automotive, and DIY projects for secure connections, making them good for joining threaded rods and studs, installing industrial pipes, lighting fixtures, and various other applications that require strong and stable connections.