A nut is a nut that is screwed together with a bolt or screw to play a role of fastening. A component that must be used in all manufacturing machinery is divided into carbon steel, stainless steel, non-ferrous metals (such as copper), etc. Several major types.  Different Type of Nut Self-locking nut, lock nut, lock nut, four-jaw nut Screw-in nut safety nut, thin rod screw connection nut, self-locking hexagon cap nut, special anchor screw nut, hexagonal crown thin nut, eye nut. Fine-tooth all-metal hex flange face lock nut, Fine-metal hex flange-face lock nut, fine-tooth non-metal insert hexagon-flange face lock nut, fine-tooth hex flange face nut Welded square nuts, welded hex nuts, snap nuts, flush nuts Slotted round nut, side round hole nut, end face round hole nut, small round nut Round nut, ring nut, butterfly nut Hebei Ruiye Fasteners Manufacturing CO.,LTD We are your best choice, contact us when you visit our web, you can find the goods you need, we are 24 hours standard by, looking forward to hearing from you.