Xavier Hart
The 6-32 low-profile socket head cap screw is a type of fastener used in various applications where secure fastening and a sleek appearance are required. It is designed with a low-profile head, making it ideal for tight spaces or installations with limited clearance. The screw is typically made from steel, alloy steel, or stainless steel, providing durability and strength. Its black oxide finish not only enhances corrosion resistance but also adds to its aesthetic appeal. Available in various lengths, the 6-32 low-profile socket head cap screw is a versatile choice for engineers and professionals in mechanical assemblies, equipment manufacturing, and structural projects.
What You'll Learn
Low profile screw applications
Low-profile screws are used across a wide range of applications, particularly in industries where weight and space are of the essence. They are also used when a sleek, unobtrusive finish is required.
Drones, Electric Scooters, and Aerospace
Low-profile screws are used in the aerospace industry, as well as in the manufacture of drones and electric scooters. The screws' smaller head enables greater weight and space savings. For example, the JCSlim range of ultra-thin head screws is up to 77% thinner than a conventional pan head, contributing to a low-profile design and weight saving.
Medical Equipment
In the medical industry, low-profile screws are used in applications where a smooth, polished finish is required. They are also used when space and weight are a concern.
Electronics
Low-profile screws are often used in laptops and other electronic components. For instance, low-profile or wafer-head screws are made from steel with a black coating, which makes them magnetic. This facilitates easy holding to the driver bit, while the black coating matches most electronic assemblies.
Robotics and Automation Systems
Low-profile screws are used in robotics and automation systems, particularly in applications where there is limited clearance.
Custom Fabrication Projects
Low-profile screws are ideal for custom fabrication projects where there is limited space above the screw head.
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Screw head height
The head of a low profile 6-32 socket head cap screw is 50% smaller than a standard socket head cap screw. The specific screw head height will vary depending on the manufacturer and the material used.
For example, the head height of the 6-32 low head socket cap screws made from alloy steel with a thermal black oxide coating and sold by MonsterBolts is 0.072 inches. The head diameter is 0.226 inches. These screws are designed for applications with limited clearance space.
The 6-32X.3125 SH AL LH Socket Head Cap Screw, manufactured by MW Components, has a length of 0.3125 inches. This screw is also designed for applications where space is limited or where a discreet fastening solution is required.
Low profile socket head cap screws are available in plain steel or with a black oxide finish. They are useful in applications with low clearance that cannot accommodate the added height of standard head caps. However, it is important to note that low head cap screws cannot tolerate the same preloads as standard head cap screws.
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Screw head diameter
The #6-32 low-profile socket head cap screw has a head diameter of 0.226 inches. This measurement is standard across different materials, including alloy steel and stainless steel.
The #6-32 low-profile socket head cap screw is designed for applications where there is limited clearance above the screw head. The low head design allows for installations in tight spaces, making it a space-efficient fastening solution.
The screw's head height is 0.072 inches, and it requires a 1/16" hex Allen key for installation. The thread size is #6-32, with 32 threads per inch, and it follows a coarse (standard) thread pattern.
The #6-32 low-profile socket head cap screw is available in various materials, such as alloy steel and stainless steel, each offering different advantages. For example, alloy steel provides exceptional strength, while stainless steel offers superior corrosion resistance.
When choosing the right screw for your project, consider the specific requirements, such as the need for corrosion resistance or high tensile strength. Additionally, ensure that you follow the recommended installation guidelines, including using the correct hex key size, cleaning the threads before installation, and applying the appropriate torque.
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Screw strength
The 6-32 low-profile socket head cap screw is a highly versatile fastening solution, offering both strength and reliability for a range of applications. Its compact dimensions and low-profile head cap design make it ideal for use in tight spaces or where a discreet fastening option is required.
The screw is manufactured from robust steel or high-strength alloy steel, ensuring superior strength and durability. The alloy steel variety is often treated with a thermal black oxide coating, providing mild corrosion resistance and a sleek black finish. The black oxide coating also offers basic corrosion protection, enhancing the screw's durability and aesthetic appeal.
The 6-32 thread size of the screw ensures broad compatibility with corresponding nuts and components, making it a versatile choice for various projects. The hex socket drive type allows for easy and secure tightening, providing a reliable and stable connection. This screw is an excellent option for engineers and professionals seeking a precision fastening solution.
While the low-profile head cap screw is a versatile and robust fastening option, it is important to note that it cannot tolerate the same preloads as standard head cap screws. This is due to design constraints, particularly the smaller head size, which is 50% smaller than a standard socket head cap screw.
The 6-32 low-profile socket head cap screw is commonly used in industrial and mechanical applications, including mechanical assemblies, equipment manufacturing, and structural projects. Its strength and reliability make it suitable for demanding applications where high tensile strength and durability are required.
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Screw finish
The finish of a screw is important, as it not only affects the screw's appearance but also its ability to withstand corrosion. The type of finish will depend on the screw's intended use and application.
Zinc
Zinc is the most common type of finish due to its pleasing appearance, low cost, and good rust resistance. It is also easy to apply. The two main types of zinc finishes are:
- Electro-Zinc: This is the most popular commercial plating option. It is economical and corrosion-resistant, commonly used in environments with minimal moisture. A clear chromate finish is often applied on top of the zinc for added protection.
- Hot-Dipped Galvanized: This method provides a thicker layer of zinc on the screw's surface, making it ideal for outdoor use, especially in coastal areas with high salt content.
Black Oxide
A black oxide finish offers a sleek black finish and basic corrosion protection. It is often used for exposed applications, providing an attractive look.
Cadmium
Cadmium was once a popular finish due to its superior rust-resistant qualities, especially in marine and aviation applications. However, it has fallen out of favour due to its high cost and environmental toxicity.
Chrome
Chrome finishes are typically chosen for their bright, hard finish and aesthetic appeal. While they provide some corrosion resistance, they are usually selected for decorative purposes.
Phosphate
Phosphate coatings are designed to lengthen the lifespan of fasteners. They reduce friction, making it easier to insert screws, and offer some level of corrosion resistance. Grey phosphate, in particular, is a popular type of coating for indoor use.
Other Finishes
Other finishes include nickel, silver, tin, and ceramic. Nickel provides a similar level of corrosion resistance to zinc while offering a more silver appearance. Silver is an excellent conductor of electricity and resists thread galling under extreme pressure or heat. Tin is sometimes used in the food handling and electronics industries, offering organic acid resistance and improved lubricity. Ceramic coatings are often used in marine applications, providing protection against saltwater spray.
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Frequently asked questions
A type of screw with a smaller head and internal socket drive compared to standard socket head cap screws, useful in applications with low clearance.
They are typically made from steel, alloy steel, or stainless steel.
Their low-profile design makes them ideal for tight spaces and applications with limited clearance. They also provide a sleek and neat finish once installed.
The head diameter is typically 0.226 inches, and the head height is 0.072 inches for low profile screws.
You can find these screws at hardware stores, home improvement retailers, or online at websites like Amazon, MonsterBolts, and specialty fastener suppliers.
