The lock cylinder of the anti theft door is stainless steel, and it is good to be just good or coppe

Stainless steel crossbars, copper lock cylinders are the most cost-effective.

1.Find a locksmith for about 80.

2.Remove the door handle panel, remove the lock cylinder and measure the length with a ruler, and go to the hardware store to buy one. The advantage is that the door-to-door fee is cheap, and the disadvantage is that it is troublesome, and the poor hands-on ability may not be able to pay off. . . >>>More

It's technical theft, it's not violent theft, and the lock cylinder in your house is not very good, and it's easy to open, and the thief doesn't open the door with a wire.

1. Fuyu lock cylinder

Fuyu company was founded in 1999, has been making locks for decades, the lock cylinder has passed the C-level certification, the pure copper blade marble lock cylinder, the strongest anti-theft performance, and the highest level of lock cylinder of closed pants. In addition, Fuyu not only makes lock accessories, but also Fuyu mechanical locks and smart locks are also very famous. >>>More

Generally, there is no need for welding, as long as the model is the same, you can install it directly, and there is no need for additional welding.