Nut kits contain differently sized and shaped nuts – types of fasteners with a threaded hole that are almost always used in conjunction with a screw to fasten parts together.Types of nuts in the nut kitsCage nuts – a square nut in a spring steel cage. The cage can be inserted into the square holes, for example, in the mounting rails of equipment racks.Hex nuts – a six-sided general purpose nut.Wingnuts – a nut with two metal ‘wings’ on each side so it can be easily tightened and loosened by hand without tools.Dome nuts – a nut that has a dome-shaped end on one side.Self-locking nuts – a nut that resists loosening under vibration.Feature and benefits of nut kits include:Variety of locking nuts for different applications and to fit a variety of different screwsThe nuts are organised by size in a handy box for quick and easy use.Choose a kit according to the number of pieces and different materials included, including brass, nylon and stainless steel.