Stainless steel
　

Self-locking nut, lock nut, lock nut, four-claw nut, screw-in nut safety nut, thin rod screw connection nut, self-locking hexagonal cap nut, special anchor nut, hexagonal crown thin nut, ring nut .

Fine pitch all-metal hexagonal flange lock nut, all-metal hexagonal flange lock nut, fine pitch non-metallic insert hexagonal flange lock nut, fine pitch hexagon flange nut

Welded square nuts, welded hexagonal nuts, fastened nuts, embedded round nuts

Slotted round nuts, round nuts with holes on the side, round nuts with holes on the end, small round nuts

Round nuts, ring nuts, wing nuts

Copper

Copper nuts, inlaid copper nuts, knurled copper nuts, embedded copper nuts, injection molded copper nuts, etc.

Alloy

Zinc-copper alloy nuts, etc.