China DIN 934 Hexagonal Nuts Suppliers - Grade 4.8 to 12.9, Various Materials, Factory Direct Price
Product introduction
introduction
Nuts are nuts, parts that are screwed together with bolts or screws to provide a fastening effect. They are a necessary component for all production and manufacturing machinery. There are various types of nuts, including national, British, American, and Japanese standards. Nuts are classified into several types based on their materials, including carbon steel, high-strength, stainless steel, plastic steel, etc. According to product properties, they can be classified into ordinary, non-standard, (old) national, new national, American, British, and German standards.
Due to differences in size, threads can be divided into different specifications. Generally, Chinese and German standards use M to represent (such as M8, M16), while American and British standards use fractions or # to represent specifications (such as 8 #, 10 #, 1/4, 3/8). Fasteners are parts that tightly connect mechanical equipment. They can only be connected together through the inner thread, nuts of the same specification, and screws. For example, M4-0.7 nuts can only be paired with M4-0.7 screws (in nuts, M4 refers to the inner diameter of the nut being about 4mm, and 0.7 refers to the distance between two threaded teeth being 0.7mm); The same applies to American products, for example, a 1/4-20 nut can only be paired with a 1/4-20 screw (1/4 refers to a nut with an inner diameter of approximately 0.25 inches, and 20 refers to 20 teeth per inch).
Usage of bolt flat washer and spring washer
use1. Has high torsional stiffness
The six faces of a hexagonal nut can better withstand torque, thus having higher torsional stiffness. This feature makes it have a more reliable fastening effect in engineering applications.
2. Convenient operation
The hexagonal nut has six symmetrical faces and can be easily operated using tools such as a hexagonal wrench or wrench, wrench socket, etc. It is easy to operate and has a wide range of applicability.
3. Strong applicability
The standard sizes of hexagonal nuts are diverse and suitable for bolts or screws of different diameters and lengths. Meanwhile, it has a wide range of applications and can be applied in many fields such as machinery, construction, automobiles, railways, and ships.
4. Has high heat resistance
Hexagonal nuts are made of high-strength materials and have high heat resistance, which can adapt to various environments and are not easily affected by high temperature factors.
5. Can adapt to high-strength bolts
Hexagonal nuts have a high load-bearing capacity and can adapt to high-strength bolts, thus meeting the application needs of high load-bearing capacity.
Frequently Asked Questions
FAQWhat are the main standards used to classify nuts?
Nuts are classified based on different regional and international standards, including Chinese (National), German, British, American, and Japanese standards. These standards ensure the compatibility and interchangeability of fasteners worldwide.
How are nut specifications represented in different standards?
Generally, Chinese and German standards use the letter "M" (e.g., M8, M16) to indicate metric sizing. American and British standards represent specifications using fractions or numbers (e.g., 8#, 10#, 1/4, 3/8) based on imperial sizing.
Can I pair a nut with a screw of a different specification?
No, nuts and screws must have matching inner/outer threads and specifications to connect properly. For instance, an M4-0.7 nut can only pair with an M4-0.7 screw, and a 1/4-20 nut can only pair with a 1/4-20 screw.
Why are hexagonal nuts so commonly used in engineering?
Hexagonal nuts provide six symmetrical faces, offering high torsional stiffness to withstand torque. They are easy to operate with standard tools like wrenches, offer high heat resistance, and can adapt easily to high-strength bolts.
What materials are nuts typically made of?
Nuts are manufactured from various materials depending on their intended applications. Common materials include carbon steel, high-strength alloys, stainless steel, and plastic steel.