150pcs Assorted External & Internal Toothed Serrated Lock Washers M3-M8 Stainless Steel 304 A2-70 Set for Hardware

Quantity: 150 pieces (pcs). The sufficient quantity can meet the usage requirements of a certain scale.

Specifications: The size ranges from M3 to M8, covering a variety of common screw specifications. It has strong versatility and is suitable for the connection of bolts and nuts of different sizes.

Type: It includes external and internal toothed serrated lock washers. This combination can provide a more reliable locking effect.

Material: Made of 304 stainless steel, which contains alloy elements such as chromium and nickel. It has extremely strong corrosion resistance and is suitable for various harsh environments such as humidity and chemical corrosion.

Grade: Grade A2-70 means that it has been cold-worked, with a minimum tensile strength of 700MPa, having high strength and good plasticity.

Superior Locking Performance: The design of external and internal toothed serrations can embed into the surface of the connected parts when tightening the nut or bolt, increasing the friction force, effectively preventing the nut or bolt from loosening, and ensuring the firmness of the connection. It is suitable for occasions with vibration or impact.

Strong Corrosion Resistance: The 304 stainless steel material endows the washer with excellent corrosion resistance. It can resist the erosion of chemical substances such as acids, alkalis, and salts, as well as the influence of environments such as humid air and seawater, extending the service life and reducing the maintenance and replacement costs caused by corrosion.

High Strength and Durability: The high-strength characteristics of grade A2-70 enable the washer to withstand high tensile and compressive forces, maintaining stable performance during long-term use, and being not easy to deform or damage. It can adapt to various high-load application scenarios.

Good Versatility: The combination of various specifications from M3 to M8 can be used in conjunction with bolts and nuts of different sizes, and is applicable to the fastening connections in various fields such as mechanical equipment, furniture, and construction, meeting diverse hardware installation needs.

Industrial Equipment: In the assembly and maintenance of equipment such as machine tools, generators, and cranes, it is used to fix various components, ensuring that the bolts will not loosen due to vibration during the operation of the equipment.

Construction Field: In the connection of building structures, door and window installation, and steel structure construction, it can ensure the firmness and stability of the connection and withstand the influence of natural factors such as wind and rain.

Automobile Manufacturing: It is used for the connection of components in parts such as the engine, chassis, and body of automobiles. It can withstand the vibration and impact during the driving process of the automobile, ensuring driving safety.

Furniture Making: In the assembly of furniture such as tables, chairs, cabinets, and bookshelves, it can make the connection more stable and prevent the furniture from loosening and shaking during use.

Compliance with Standards: The product may comply with relevant international, national or industry standards, such as ISO standards, GB standards, etc., ensuring the consistency and reliability of product quality and performance.

High-quality Production Process: Manufactured using advanced production processes and equipment, the washer has high dimensional accuracy, regular toothed shapes, and good surface finish, thus ensuring the product quality and usage effect.