M8 Shoulder Bolt Stainless Steel Precision Shoulder Metal Screws Heavy Duty Half thread
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M8 Shoulder Bolt Stainless Steel Precision Shoulder Metal Screws
Heavy Duty Half thread
Product Description:
Shoulder bolts, also known as shoulder screws, are essential
fasteners that ensure stable spacing, smooth sliding, or rotational
motion in many fields.
Electronics:
Shoulder bolts play a crucial role in the electronics industry, where they are used to maintain the correct spacing and alignment of sensitive components. These fasteners are found in various electronic devices, including computers, mobile phones, televisions, and industrial equipment. Their primary purpose in electronics is to ensure proper positioning between components like circuit boards, chips, and connectors, which is vital for avoiding electrical short circuits, ensuring reliable connections, and preventing overheating or damage to delicate parts.
One of the key applications of shoulder bolts in electronics is their ability to maintain consistent spacing between circuit boards and other electronic components. In complex electronic assemblies, circuit boards are densely populated with various parts such as capacitors, resistors, microchips, and connectors. These components must be placed at precise intervals to ensure they function correctly and do not interfere with one another. Shoulder bolts are ideal for this application because their smooth shoulder provides a stable gap between parts, preventing contact that could lead to short circuits or electrical malfunctions. By maintaining this critical spacing, shoulder bolts help to preserve the integrity of electronic systems, ensuring safe and reliable performance.
Shoulder bolts are also widely used in the assembly of electronic enclosures and housings. In devices like mobile phones, laptops, and gaming consoles, shoulder bolts are employed to secure components inside the outer casing. These bolts help to keep the internal parts in place while providing the necessary flexibility for them to shift slightly as the device is moved or manipulated. For instance, the components inside a computer need to be securely fastened while allowing for slight thermal expansion when the system heats up during use. The shoulder bolt’s design allows for this flexibility without compromising the overall structure or function of the device.
Furthermore, shoulder bolts are critical in preventing physical stress on electronic components. Over-tightening screws or bolts can damage delicate parts, especially in systems where extremely small components are involved. Shoulder bolts, with their specific design and shoulder height, ensure that the pressure is evenly distributed across the surface of the components without excessive force being applied to any single part. This design feature helps protect fragile connections such as solder joints and thin wire leads, reducing the risk of component failure and extending the lifespan of the electronic device.
In devices where adjustable components are required, such as in adjustable displays or movable parts within cameras, shoulder bolts provide a secure and controlled means of movement. They allow parts to pivot or slide smoothly without causing friction that could lead to wear or malfunction. For example, in the case of an adjustable laptop screen, shoulder bolts are used to secure the hinge mechanism, allowing the screen to open and close smoothly without damaging the internal components.
The ability to use shoulder bolts in a wide range of sizes and materials makes them particularly well-suited to the electronics industry. For high-performance applications, such as in advanced computing systems or precision medical equipment, shoulder bolts can be made from non-corrosive materials like stainless steel, ensuring durability and resistance to environmental factors such as humidity or exposure to chemicals. For sensitive or miniaturized electronics, these bolts can be manufactured in smaller sizes to fit the tight tolerances of modern electronic designs.
In summary, shoulder bolts are essential in electronics due to their ability to maintain precise spacing, ensure smooth movement, and prevent damage to delicate components. By providing secure and reliable fastening solutions, shoulder bolts contribute to the overall performance, durability, and safety of electronic devices, helping to preserve the integrity of complex systems and ensuring that they continue to function efficiently over time.
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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M8 Shoulder Bolt Stainless Steel Precision Shoulder Metal Screws Heavy Duty Half thread
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