Hilitand 10pcs Long Rod Nut Hex Coupling Nuts Hexagonal Sleeve Standoff M8 Threaded Fasteners(M8*40)

【zinc plated carbon steel】These coupling nuts are made of zinc plated carbon steel with high strength and good corrosion resistance. 【hexagonal】Nuts adopted hex shape which has 6 sides that gives a good granularity of angles for a tool to approach from. 【M8 in 4 size】There are M8*20,M8*28,M8*30,M8*40 for you to choose to meet your different needs. 【good fasten performance】Used to fit bolts, studs or machine screws for fastening two parts together to make them one piece. 【wide applications】These hex long rod nuts can be widely used for the home and office, communication equipment, ship assembly and other machinery industry.