What should I pay attention to when buying water stop screws?

First of all, look at the quality, look at the quality of the water stop screw mainly depends on the material of the water stop screw. First of all, we should know that water stop screws are generally made of alloy iron, although air contact with high water content is easy to rust. However, generally, our new water stop screw will not rust quickly, even if it rusts, it is only a layer of yellow rust on the surface, which will not affect our use. Secondly, the material of the water stop screw depends on toughness and toughness. Generally, if we use it, it depends on whether the water stop screw is fragile.

(Water stop screw product picture)

Secondly, it is to weigh the water stop screw. Generally, the qualified water stop screw has a uniform weight and no light at one end.

(Thread of water stop screw)

After arriving, check whether the water stop screw and water stop piece are installed in place, mainly depending on whether the direction is reversed.