Specifications

1.China first brand of anti-theft nut
2.round anti-theft nut with spring and balls
duct type:QLCN3

Round anti-theft nut with spring and balls

1.Product Presentation

QLCN3 is a new type of anti-theft nut, which is developed brand new with constant improvement by Sida Electric Power combining with functions of numerous anti-theft nuts now available. It has get State Utility Model Invention Patent, No.ZL200720090142.7. The mainly specifications are QLCN3-16,QLCN3-18,QLCN3-20,QLCN3-22,QLCN3-24 etc. This type of product is one which has anti-theft functions,convenient installation and low cost, can broadly apply to the anti-theft of fastening piece and frame member in the field facility such as electric power system,communication system and super highway systerm. It can also be made according to the actual needs of users. 

2.Product Structure Performance

1. Unique appearance

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.

(It has nut body itself, on its top is cone frustum, underpart is column. There are at least two wedge-shape grooves on the top of the cone frustum which can change depth and on the in-wall of the screwed hole inside the nut body, it was equipped with internal thread and anti-theft groove. Inside the anti-theft nut groove there are hoodle, spring and link stopper and the last one is fastened in the groove like: the diameter of the columnar on the underpart of the nut body is less than that of the cone frustum undersurface on the top of the nut body. There is a round anti-theft coat outside the columnar and the inner diameter is greater than that of the columnar a little but the height of the coat is less than that of the columnar. )

3.Product Technical Requirements

1. This type of product is made with national standard nut, the material quality is common carbon structural steel, Mark Q235A, the mechanical performance can reach to 4.8 degree.

2. The outside surface is disposed by the technology of  multicomponent alloy were permeability so the antiseptic performance is better than the others and the antiseptic time can reach to a length of 25-30 years.

3. It's convenient to construct and instal, the generality is very strong.

4.Technical Parameters

Name of commodity	Model number	Height of nut	Antiseptic thickness	Antiseptic time	Yes or not retight	Stop force	Dismantle or not
QLCN3	QLCN3-16	10.0mm	55-85µm	30years	yes	No	not
	QLCN3-18	13.5mm	55-85µm	30years	yes	No	not
	QLCN3-20	12.5mm	55-85µm	30years	yes	No	not
	QLCN3-22	15.0mm	55-85µm	30years	yes	No	not
	QLCN3-24	15.0mm	55-85µm	30years	yes	No	not

5.Installation Process

First step: Check that the anti-theft alarm and the outer ring have lost or not before the installation. If have, do not install them.

Second step: Put the side with label of the anti-theft nut out, twist it to bolt follow the clockwise direction.

Third step: Keep twisting to that the bolt can burst the label then the outer ring can drop itself.

Fourth step: Continue to twist the anti-theft to the end.

Fifth step: Fasten the anti-theft nut with special fastening tools.

Sixth step: Installation finish.