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Why do we need phosphating for drywall screws?

The treatment of drywall screws are roughly divided into two kinds, one is phosphating, one is galvanizing. These two kinds of appearance treatment is the biggest use is used to prevent rust, of course, there are other uses, today lituo to popularize for everyone. So let’s talk about phosphating.

Most of the drywall screws on the market now see the appearance of the treatment are phosphate, according to the different colors are divided into black phosphorus and gray phosphorus two. What are the differences between the two colors?

In fact, in addition to the color there are no other differences, and the color is also dependent on personal preferences, some people like gray and others like black. May be in the appearance of people will feel more oily, gray phosphorus drywall screws will feel more monotonous. Now on the market drywall is still more inclined to black phosphorus, looks relatively textured, while the gray phosphorus looks a little less delicate more low-end

But there are some people do not like black phosphorus drywall screws is because they feel very oily, including the box will have oil stains. In fact, that is due to phosphate oil did not completely evaporate off immediately boxed reasons, in fact, gray phosphorus black phosphorus are the same, gray phosphorus due to the color problem is less bright just.

Generally speaking, the role of phosphating one is to play a rust prevention, followed by lubrication. Rust prevention we are better understanding, so what is the concept of lubrication?

As the drywall screws are used to play light steel keel, in drilling into the keel, the less friction on the surface is certainly the more offensive speed of travel. So the phosphate process is a more affordable and more suitable for the use of drywall nails an appearance treatment process.

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Lituo screws, nails and blind rivets are known for their bright and smooth finish, resistance against corrosion, dimensional accuracy, high strength of torque and hardness, and available in various materials and sizes.