special nuts

1. Unique appearance of security nut

This type of product is round without point of force, averting the weakness that other angularity anti-theft nuts which with this point are destroyed easily.

2. The anti-theft structure of surrounded by all buried type in. The anti-theft theory of the products which are rational and scientific designed can be direct used inside the thing combining with bolt tightly that they cannot be direct destroyed by external force so can anti theft effectively.

3. Outer ring

This type of product is added by a circle out of itself, the outer ring can twirl freely after the installatoin. When it carries capability, the outer ring can defuse the destroy effectively with the ‘A wall of ontology protection’ function.

4. Environmental protection, non-pollution

This type of product does not leave any ramification after installation so that it is available to protect the environment in the fabricating yard.