[M12]

■Shape: Hex nut with washer (with friction ring)
A loosening nut with a friction ring on the top of the hex nut and a washer on the seat side.
The friction ring on the top allows for friction and resilience with the bolt thread to absorb and loosen various vibrations.
Use a tool such as a spanner or wrench to tighten it.

■ Thread Shape: Coarse
It is the most standard pitch in Japan as prescribed by ISO (International Organization for Standardization) standard. The most frequent distribution in Japan.

■Material: Iron
"Iron" is "steel" and is an alloy of iron containing carbon.
Although it is commonly used in many circulations, it is cheap materials, but due to the downside of it is easy to rust, many surface treatments will reduce corrosion.

■Surface treatment: Dove
Hot dipped galvanized and plated with "dob" dipped into zinc dissolved It has excellent corrosion resistance at a fraction of the cost, but the thickness of the plating is quite thick and uneven and the surface is uneven, so the gauge of the thread cannot be managed. For this reason, the female thread needs to be overtapped or the same "dob" plated product. But they may stick together.
Color is "Gray".

Product Features:
U-NUT incorporates a large washer (washer) into a loosening nut
U-NUT with integrated washers is labor-saving and improved assembly efficiency, preventing forgetting parts to be installed and inventory management.

■Special length■-----
Total cost reduction is possible.
Easy to work during installation
Reduces number of parts
Can also be used with anchor bolts.
Compatible with loose and stupid holes.
Compatible with NAS3350 vibration test.

■Applications■-----
Prevents loosening of anchor cables.
Secures support hardware for various cables.
Tunnel lighting installation
Installation of plumbing fittings