- Hex head, female threaded inside, nickel plated surface treatment.- Made of carbon steel material, high hardness and perfect wear resistance.- Used in conjunction with a mating bolt to fasten two or more parts together.- Hex nut tightens from the side with a wrench, enabling use when there is limited space above the nut.- Suitable for door handles, machinery industry and other small repairs around the shop, garage or home furniture fastener etc. Specification:Thread Size: (Female) M3Pitch: 0.5mmMaterial: Carbon SteelFinish: Nickel platingEdge width: 5.5mm / 0.22"Height: 2.4mm / 0.09" Package Content: 200(+/-2%) x Hex Nuts