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Heavy Duty Stainless Steel Shoulder Metal Bolts with slot M6 M8 M10 M12 M16 Shoulder Bolts
Product Description:
In machinery, shoulder bolts are indispensable for ensuring the precise alignment of sliding components, ensuring smooth and efficient operation within mechanical systems. These bolts are often used in various machine tools, conveyor systems, and transmission equipment, where maintaining proper spacing and smooth movement is essential.
Shoulder bolts typically feature a smooth cylindrical shoulder that sits between the head and the threaded portion of the bolt. This shoulder is critical because it provides a stable, consistent spacing between parts, allowing them to move without any obstruction or interference. This feature makes shoulder bolts an ideal choice for sliding components, such as gears, cams, and other moving parts within machinery that require smooth operation over extended periods of use.
One of the most significant benefits of shoulder bolts in machinery is their ability to prevent thread interference. In many systems, especially those involving moving or rotating parts, the threads on a traditional bolt can cause friction, which may lead to wear, damage, or even system failure. Shoulder bolts eliminate this issue by providing a smooth, uninterrupted surface for parts to slide or rotate. This is particularly important in machinery that operates at high speeds or under heavy loads, where friction and wear could significantly shorten the lifespan of components.
Shoulder bolts also enhance the overall efficiency of machinery. By allowing moving parts to function without interference, they help reduce energy loss due to friction, improving the overall performance of the system. This results in smoother operation, reduced wear and tear on parts, and ultimately, less frequent maintenance. The reduced friction also helps to lower the operating temperatures of machinery, further extending the lifespan of both the shoulder bolt itself and the components it interacts with.
Additionally, shoulder bolts are highly versatile and can be designed in various sizes, materials, and finishes, making them suitable for a wide range of machinery applications. For example, shoulder bolts used in food processing equipment may be made from stainless steel to resist corrosion, while those used in heavy industrial machinery may be made from high-strength alloys to withstand high loads. The bolts can also be coated to resist rust or to provide additional lubrication for smoother movement.
The role of shoulder bolts in machinery extends beyond just moving parts. They are often used in systems that require precise positioning, such as in CNC machines or robotic arms. In these systems, the shoulder bolt’s ability to maintain consistent spacing is crucial for ensuring that all components remain in proper alignment, allowing for accurate movement and positioning of parts. This precision is especially important in automated systems, where small misalignments can lead to errors, downtime, and reduced production efficiency.
Overall, shoulder bolts are a key component in machinery, providing stability, alignment, and reduced friction. They help ensure that mechanical systems run smoothly and efficiently, contributing to increased productivity, longer equipment lifespans, and fewer maintenance needs. Their versatility and ability to prevent thread interference make them an essential choice for a wide variety of machinery applications, from simple mechanical tools to complex industrial systems. Whether used in manufacturing, automotive, or heavy machinery, shoulder bolts are a fundamental part of ensuring that systems perform optimally.
Applications:
Stainless Steel:
1, the basic knowledge of stainless steel
Stainless steel is an alloy material with corrosion resistance, and its main components are an alloy of elements such as iron, chromium and nickel. These elements can effectively resist oxidation and corrosion, so that stainless steel has a high degree of durability and aesthetics.
2, stainless steel maintenance methods
Cleaning
Keeping stainless steel products clean is an important part of their maintenance. You can use mild detergents and soft cloth for cleaning, avoid the use of detergents containing acidic and alkaline components, so as not to damage the surface of stainless steel. When removing dirt, you should try to avoid using irritating cleaning tools to avoid scratching the stainless steel surface. After cleaning, rinse with water and dry with a clean soft cloth.
3, the use of stain remover
For some stubborn dirt, you can use special stainless steel stain remover for cleaning. But before using it, you should carefully read and follow the instructions in the product manual. In addition, stainless steel products on the dirt can be cleaned with alcohol or vinegar, these common cleaners on stainless steel has a certain decontamination effect.
Steel types:
| No. | C% | Cr% | Ni % | Mo % |
| 304 | 0.07 | 17.5-19.5 | 8.0-10.5 | / |
| 316 | 0.08 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 |
| 301 | 0.15 | 16.0-18.1 | 6-8 | / |
| 310 | 0.08 | 24-26 | 19-22 | / |
| 304L | 0.03 | 18-20 | 8-12 | / |
| 316L | 0.03 | 16-18 | 10-14 | 2-3 |
| 321 | 0.08 | 17-19 | 9-12 | / |
201, 304, 316 are austenitic stainless steel, according to the performance of the non-magnetic, some of the performance of the weak magnetic because of the smelting of the composition of the segregation or improper heat treatment leads to the austenite in a small amount of martensite or ferrite. Austenitic stainless steel corrosion resistance comes from the formation of chromium oxide protective layer on the metal surface. When the material temperature is heated to 450 degrees -900 degrees, the structure changes, will form chromium carbide along the edge of the crystal and can not form a protective layer of chromium oxide, thus reducing the corrosion resistance, this is also known as ‘intergranular corrosion’. As a result, there are 304L and 316L, the two due to the low carbon content also reduces the intergranular corrosion. In particular, the higher susceptibility to intergranular corrosion does not mean that non-low carbon content is more susceptible to corrosion, in a highly chlorinated environment, this susceptibility is also higher.
304 stainless steel
304 is a general-purpose stainless steel that is widely used to make equipment and machine parts that require good all-round performance (corrosion resistance and formability). In order to maintain the corrosion resistance inherent in stainless steel, the steel must contain more than 18% chromium, more than 8% nickel content. 304 stainless steel is a grade of stainless steel produced according to the American ASTM standard.
A2 stainless steel and A4 stainless steel, A2 is a class of 304 stainless steel, A4 is a class of 316 stainless steel, the main difference between the two is here, some of the fastener industry will be 302HQ and 304 referred to as: A2, 316 and 316L (C content of carbon C is less than 03% of the stainless steel, you can increase the ‘L’ logo) called A4.
What is the difference between a270 and a470 stainless steel bolts Nuts are usually used in conjunction with bolts. Hexagonal nuts are more widely used.C-grade hexagonal nuts are used in steel structures, machinery and equipment with rough surfaces and low requirements for precision.A-grade and B-grade hexagonal nuts are mainly used in machinery and equipment with smooth surfaces and high requirements for precision.
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