Description:Anut is a type of fastener with a threaded hole. Nuts are almost always used in conjunction with a mating bolt to fasten two or more parts together. The two partners are kept together by a combination of their threads' friction, a slight stretching of the bolt, and compression of the parts to be held together.Features:These hex nuts aremade of zinc plated carbon steel material, the carbon steel material provides strength and zinc cover offers good corrosion resistance in many environments.Hexagonal shape has 6 sides that gives a good granularity of angles for a tool to approach from.There are five common size of hexagonal nut that you can choose for general purpose use.These hex nuts will be great replacement for industrial and construction fasteners.Used widely in the home and office appliance, communication equipment, ship assembly and other machinery industry.Specifications:Material: Zinc plated carbon steelClass: 8.8Standard: DIN934Color: BlackM2 x 100pcsM2.5 x 100pcsM3 x 100pcsM4 x 100pcsM5 x 100pcsPackage Includes:1 set x Nuts