Jiaxing Aoke Trading is a professional Chinese manufacturer and supplier of lock nuts. Our own factory Jiaxing aoke hardware is established in 1986, it is experienced in producing hex slotted nuts. Hexagon slotted and castle nuts are slotted above the hexagon nuts by machine. It’s function is to cooperate with the bolt with hole in the rod part and insert the cotter pin to prevent loose. Not only producing the common standard DIN935 and ASME B 18.2.2, but also can make non-standard customized slotted nuts according to the drawings.

Slotted nuts mainly refer to hexagon slotted nuts, that is, slots are machined above the hexagon nuts. It is used in conjunction with the screw perforated bolt and cotter pin to prevent the bolt from turning relative to the nut.
The hexagon slotted and castle nuts are made of premium stainless steel A2 (SUS304) or A4 (SUS316) and have good anti -corrosion capabilities with smooth surfaces without oil stains and burrs.

Product Application
Hexagon slotted and castle nuts are widely used in aerospace, aviation, tanks, mining machinery, automobile transport machinery, agricultural machinery, textile machinery, electrical products etc.