Description: _x000D_ A nut 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. _x000D_ _x000D_ _x000D_ Features: _x000D_ These hex nuts are made of zinc plated carbon steel material, the carbon steel material provides strength and zinc cover offers good corrosion resistance in many environments._x000D_ _x000D_ Hexagonal shape has 6 sides that gives a good granularity of angles for a tool to approach from. _x000D_ There are five common size of hexagonal nut that you can choose for general purpose use._x000D_ _x000D_ These hex nuts will be great replacement for industrial and construction fasteners._x000D_ _x000D_ Used widely in the home and office appliance, communication equipment, ship assembly and other machinery industry._x000D_ _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Material: Zinc plated carbon steel _x000D_ Class: 8.8 _x000D_ Standard: DIN934_x000D_ _x000D_ Color: Black_x000D_ _x000D_ Size and Quantity(Optional): _x000D_ M2 x 100pcs _x000D_ M2.5 x 100pcs _x000D_ M3 x 100pcs _x000D_ M4 x 100pcs _x000D_ M5 x 100pcs _x000D_ _x000D_ _x000D_ Package Includes: _x000D_ 1 set x Nuts