Everyone should know and understand the purchasing skills of keyed alike padlock. Why do you say that? Because the padlock is a kind of lock that can play a better protective role, if there is anything that needs to be stored, then we put it in the cabinet You can use the lock to hang it inside! But safety is very important, so there are some key points about padlock purchase, everyone must check it out.
1, look at the material
The lock materials on the market are basically divided into stainless steel, copper, zinc alloy, iron steel and aluminum. Stainless steel has good strength, strong corrosion resistance and constant color. It is the best lock material; copper is more versatile, has superior mechanical properties, and the price is more expensive; high-quality zinc alloy is strong and wear-resistant, and has strong corrosion resistance and is easier Forming, generally used to produce mid-range locks.
2, look at the surface
The general surface treatment includes electroplating, spraying and coloring. Through these surface treatments, a protective film can be formed on the product, which has anti-corrosion and anti-rust effects. At the same time, the product is more beautiful and lightweight, which can directly depend on the quality of the product. Bad. The stainless steel lock of good quality is generally electroplated, the coating is moderate, very evenly distributed, the color is bright, and there is no sign of bubbles, corrosion and hydrolysis.