Shenzhen Shi Shi Tong Metal Products Co., Ltd

  mushroom head self tapping screws, why change the surface treatment? A few days ago, at 11 pm Beijing time in China, a customer Erik found the Shi Shi Tong  screw manufacturer  and asked if we could give him a  mushroom head self tapping screws . Erik gave us the drawings of the screws. After receiving an inquiry from Erik, the Shi Shi Tong screw manufacturer found that the surface was black zinc plated. Shi Shi Tong screw manufacturers have also done a few times before the carbon steel black-plated  mushroom head self tapping screws  to customers in other countries, but every time we ship the inspection, the surface of the screws is very good, there is no white appearance phenomenon. However, when the customer received it, the whiteness appeared on the head of the screw. The reason for this is mainly because of the collision during transportation, not only from the outside, but also the self-tapping thread will hurt the surface of the screw, wh...

  What material mushroom head self tapping screws do not rust? Many consumers, when buying a car, or a home appliance, a Taiwanese brain, an outdoor device, after a period of hot sun and rain, will find the exposed screw fasteners rusted Even the corrosion causes the screw to fail, so the screw is replaced. When the customer finds the screw fastener, he will also think about it; can you find a  mushroom head self tapping screws that does not rust? There are many factors that affect the service life of screws.  Mushroom head self tapping screws  are easy to rust. The main reason is to look at the rust resistance of materials. In the case of stainless steel screws, the reason why stainless steel screws can resist rust than carbon steel is that stainless steel contains chromium. It can form a protective film of chromium oxide on the surface of stainless steel screws, which can effectively isolate the contact between stainless steel and air. The oxygen in the air cannot ...

A few days ago, at 11 pm Beijing time in China, a customer Erik found the Shi Shi Tong  screw manufacturer  and asked if we could give him a  mushroom head self tapping screws . Erik gave us the drawings of the screws. After receiving an inquiry from Erik, the Shi Shi Tong screw manufacturer found that the surface was black zinc plated. Shi Shi Tong screw manufacturers have also done a few times before the carbon steel black-plated  mushroom head self tapping screws  to customers in other countries, but every time we ship the inspection, the surface of the screws is very good, there is no white appearance phenomenon. However, when the customer received it, the whiteness appeared on the head of the screw. The reason for this is mainly because of the collision during transportation, not only from the outside, but also the self-tapping thread will hurt the surface of the screw, which will also lead to whitening. Therefore, we recommend that E...

What material mushroom head self tapping screws do not rust? : mushroom head self tapping screws are easy to rust. The main reason is to look at the rust resistance of materials. In the case of stainless steel screws

Many consumers, when buying a car, or a home appliance, a Taiwanese brain, an outdoor device, after a period of hot sun and rain, will find the exposed screw fasteners rusted Even the corrosion causes the screw to fail, so the screw is replaced. When the customer finds the screw fastener, he will also think about it; can you find a  mushroom head self tapping screws   that does not rust? There are many factors that affect the service life of screws.  Mushroom head self tapping screws  are easy to rust. The main reason is to look at the rust resistance of materials. In the case of stainless steel screws, the reason why stainless steel screws can resist rust than carbon steel is because stainless steel contains chromium. It can form a protective film of chromium oxide on the surface of stainless steel screws, which can effectively isolate the contact between stainless steel and air. The oxygen in the air cannot enter the steel to produce a chemical reaction, th...

Many consumers, when buying a car, or a home appliance, a Taiwanese brain, an outdoor device, after a period of hot sun and rain, will find the exposed screw fasteners rusted Even the corrosion causes the screw to fail, so the screw is replaced. When the customer finds the screw fastener, he will also think about it; can you find a  mushroom head self tapping screws   that does not rust? There are many factors that affect the service life of screws.  Mushroom head self tapping screws are easy to rust. The main reason is to look at the rust resistance of materials. In the case of stainless steel screws, the reason why stainless steel screws can resist rust than carbon steel is because stainless steel contains chromium. It can form a protective film of chromium oxide on the surface of stainless steel screws, which can effectively isolate the contact between stainless steel and air. The oxygen in the air cannot enter the steel to produce a chemical reaction, thereby ach...