How much does a bolt usually cost per ton, how much does a regular bolt usually cost per ton
When selling bolts, screws and nuts, I think there are also too many standards of many materials and too many specifications for national standard screws and nuts. National standard screws and nuts have different standards, different materials, different specifications, different purchase quantities, different transportation distances and different wholesale prices for national standard screws and nuts. are also very different.
The lowest cost only four to five dollars yuan per kilogram, slightly higher, about ten yuan per kilogram, and still slightly higher, about 15 yuan per kilogram. Stainless steel is always 30 to 50 yuan per kilogram, and for some special materials, it is about 200 yuan per kilogram. Yu Wenlong, who sells bolts, screws and screwsrous, believes that based on current information it is impossible to determine the national standard screws and how much nuts cost wholesale per kilogram
Standard parts refer to structure, size, drawing method , marking and other aspects fully standardized, and commonly used parts (parts) produced by professional factories, such as threaded parts, wrenches, pins, bearings, etc. Generally speaking, it includes standardized fasteners, connections, transmission parts, seals, hydraulic components, pneumatic components, bearings, springs and other mechanical parts. The narrow sense only includes standardized fasteners.
Standard parts commonly known in China are the abbreviation of standard fasteners. This is a narrow concept, but the existence of a broad concept cannot be ruled out. Additionally, there are industry standard parts, such as partss automobile standard parts, mold standard parts, etc., which also belong to generalized standard parts. Generalized Standard Parts Generalized standard parts are mechanical parts and components with clear standards. The main standards used include Chinese National Standards (GB), American Society of Mechanical Engineers (ANSI/ASME) Standards, etc., and other Japanese Standards (JIS). like German (DIN) are also widely used around the world.For M8*25 stainless steel screws, should we check if they have a hexagonal cylindrical head? Or an outer hexagon? Or a hex flange surface? Or a cross head? Or a countersunk hex socket? Or hexagonal hex head? ,,,,,, Relatively speaking, the price of cross head and cross countersunk head is relatively low, followed by the price of hex head and cross countersunk head, and the prices of the rest are slight.ment higher. There is also a relationship with demand: the higher the demand, the lower the price. If you buy by ton, let the factory quote the price by ton, and the price will be the cheapest. Generally, it can be used if the price of a ton of wire rod increases by 1 time; you can check the market price of stainless steel wire rod.
Bolt tensioner is the abbreviation of hydraulic bolt tensioner. It uses the power source provided by the hydraulic pump (ultra high pressure oil pump) to determine the tensile force based on the tensile strength, elastic coefficient and elongation of the material. It uses the traction force generated by ultra high pressure oil. Pump to cause elastic deformation of the bolt. The area is elongated and the bolt diameter is slightly deformed, making the nut easy to loosen. Additionally, it can also be usedlized as a device for applying an axial force to the. Hydraulic anti-interference fitting for high pressure installation. The biggest advantage of the tensioner is that multiple bolts can be tightened and dismantled at the same time at a fixed value with uniform force. It is a safe, efficient and fast tool and the best way to tighten and disassemble bolts of different specifications. Used in petrochemical industry, nuclear power, wind power, hydropower, thermal power, ships and railways, aerospace, mining, heavy machinery and other fields. According to different working conditions, application conditions and user requirements, the selection of bolt tensioners is different.