Cap nuts
M4 Cap Nut
- Thread (C dimension shown in the drawing):
- Material:
- B (dimension shown in the drawing):
- A (dimension shown in the drawing):
- D (dimension shown in the drawing):

M5 Cap Nut
- Thread (C dimension shown in the drawing):
- Material:
- B (dimension shown in the drawing):
- A (dimension shown in the drawing):
- D (dimension shown in the drawing):

M6 Cap Nut
- Thread (C dimension shown in the drawing):
- Material:
- B (dimension shown in the drawing):
- A (dimension shown in the drawing):
- D (dimension shown in the drawing):

Reliable cap nuts
Cap nuts are just one of the four types of nuts available in our store; in addition to these, we also carry:
- Wing nuts (butterfly nuts)
- Wing nuts
- Hex nuts
We have seven sizes of caps available for sale: with an M4 thread (two types—one made of stainless steel and the other of zinc—Zn). The other sizes are made exclusively of stainless steel with M5, M6, M8, M10, and M12 threads..
What are cap nuts used for??
Cap nuts are very popular in the automotive industry. This kind of nuts They are mainly used to protect threads from damage and all external factors. Installation involves screwing them onto the end of a threaded rod or pin. These nuts do not have a through-hole and can only be screwed on a short length of exposed thread. Because they are made of stainless steel (INOX), they can be used successfully outdoors and in environments exposed to moisture. Stainless steel is a material with weak ferromagnetic properties, which allows it to be used without any problems in contact with magnets.
Ear nuts
Hex nuts
INOX Hex Nuts
INOX Cap Nuts
Wing nuts
INOX Wing Nuts
Self-locking hex nuts with a polyamide insert




