Take you to understand the 12.9 grade high strength screw

12.9 grade high strength screwIt is a screw with good tensile strength. It is made of chromium-tungsten alloy and has good tensile strength and corrosion resistance. It is widely used in automobiles, machinery, ships and other industries.

Advantages

1. The tensile strength of grade 12.9 high-strength screws is good, and its tensile strength is greater than that of others, which can meet the needs of most industries, and can ensure the fastening of the fitting parts and prevent loosening. In addition, it has good corrosion resistance, can maintain a good state for a long time, is not easy to be corroded, is more resistant to puncture and impact resistance, can resist harsh environments such as temperature, acid and alkali, and has a longer service life. The international standard is ISO 898-1. Its tensile strength reaches more than 800 MPa, and there are many other performance regulations, which can meet various industries. In addition, it has the European standard EN ISO 898-1. American Standard ASTM A574. Japanese standard JIS B 1176, etc.

2. Common models of grade 12.9 high-strength screws include M3-M12, etc. The specific models can be adjusted according to customers, such as M4.8.M5.5.M6.3, etc. In addition, it can also provide various specifications, materials, and surface treatment methods according to customers, such as ordinary, anti-rust, hot-dip galvanizing, etc. There are many application fields. It is widely used in automobiles, machinery, ships, aerospace, electric power, communications and other industries for fastening structural parts, which can meet the needs of various industries. In addition, it can also be used in the manufacture of household appliances such as automobiles, motorcycles, air conditioners, refrigerators, etc., which can increase the tightness and durability of products.

3. The tensile strength of grade 12.9 high-strength screws is easily stretched. Therefore, operators should be cautious when using them. It is recommended to use an electric screwdriver or wrench to ensure fastening and avoid damage due to human error. In addition, the operator should also choose the appropriate tools according to the material and surface treatment to avoid damage. There is a class of strength and corrosion resistance, they have fixing force, heat resistance, corrosion resistance and impact resistance, and can meet various application environments.

4. Grade 12.9 high-strength screws have more strength and can withstand tension and torque, which is a special purpose. Their surface treatment usually includes heat treatment, electroplating, anodizing, etc. to increase their corrosion resistance and wear resistance to better meet the application. It has a wide range of applications, mainly used in electronic products, automobiles, construction machinery, aerospace, ships, oil fields and other industries to tighten and fix, is an important component to maintain safe operation. Good corrosion resistance, can withstand mild and humid environment, strong durability.

5. The surface treatment technology of 12.9-grade high-strength screws is relatively advanced, which can effectively inhibit surface corrosion and strengthen the fastening effect. Use should pay attention to the correct selection, apply it to the right place. In addition, attention should be paid to the operation to avoid improper use due to damage. In addition, attention should also be paid to the correct installation to ensure firmness and effectiveness.