Allen head cap screw sets are used for a variety of applications, from automotive and household to tool and die fixture applications. They are exclusive high-strength tension fasteners that are designed for clamping assemblies. Allen head cap screw sets are available in a wide range of materials, dimensions, and grades, and can be purchased in various quantities.
Characteristics | Values |
---|---|
Head Style | Allen/Socket Head |
Drive Style | Socket Drive |
Head Shape | Cylindrical |
Head Features | Flat, chamfered top surface |
Recess Shape | Hex |
Wrench Type | Hex Key/Allen Wrench |
Material | Alloy Steel, Stainless Steel, Nickel Alloy, Silicon Bronze |
Finish | Black Oxide, Zinc, Plain |
Standard | ASME B18.3, DIN 912, Din 912/ISO 4762 |
Typical Applications | Tool and die fixture applications, earth-moving machinery |
Typical Advantages | Fewer screws and holes required, weight reduction, smaller size |
What You'll Learn
Stainless steel socket head cap screw assortment kit
The two most popular grades of stainless steel used for these screws are 304 and 316. Grade 304 stainless steel offers excellent corrosion resistance in most environments and is suitable for general-purpose applications. Grade 316 stainless steel, on the other hand, is highly corrosion-resistant even in harsh or corrosive environments, making it ideal for marine or chemical processing applications.
A typical stainless steel socket head cap screw assortment kit might include a range of screw sizes, such as M2, M3, M4, M5, M6, M8, and even M10. The screws may also come in various lengths, such as 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, and so on. Some kits also include washers and hex wrenches to provide a more comprehensive fastening solution.
For example, the SENYARD M6 M5 M4 M3 Stainless Steel Nuts and Bolts Assortment Kit comes with 890 pieces, including hex socket head cap screws, lock and flat washers, wrenches, and self-tapping screws. This kit has received positive reviews for its wide range of applications.
Another option is the Glarks 510-piece kit, which includes M3, M4, and M5 304 stainless steel flat head countersunk socket cap bolts and screws, along with nuts and an Allen hex wrench.
These kits are perfect for machinery, equipment assembly, automotive applications, and household repairs, offering a clean, flush appearance once installed.
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Zinc-plated socket head cap screws
Zinc is a naturally occurring element that is abundant in the Earth's crust. The effectiveness of zinc plating, combined with its relatively low cost, has made it a popular choice for protecting surfaces in manufacturing processes.
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Black oxide-treated Allen head bolts
- 1/4-20 x 3/4" Flat Head Socket Head Screw Furniture Bolts: These bolts are made of stainless steel 18-8 (304) and have a black oxide finish. They are fully threaded and come in a pack of 25.
- 25-piece Hex Socket Head Cap Screws Bolts: These bolts are made of grade 12.9 alloy steel and have a black oxide finish. They come in various metric sizes, including M8 x 16/20/25/30/40 mm, and are fully threaded with a pitch of 1.25mm.
- 402-piece Black M3 x 30/35/40/45/50 mm Hex Socket Head Cap Screws Nuts Washers Assortment Kit: This kit includes grade 12.9 alloy steel screws, nuts, and washers with a black oxide finish. It offers a range of screw lengths to suit different needs.
- 100-piece M3 x 6mm Thread Pitch 0.5 mm Alloy Steel Hex Socket Button Head Cap Screws Bolts Kit: These bolts are made of grade 12.9 alloy steel and have a black oxide finish. They are perfect for 3D printing and other small machine screw applications.
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Socket head cap screws for automotive and household applications
Socket head cap screws, also known as Allen head screws, are high-strength tension fasteners designed for clamping assemblies. They are most commonly used in tool and die fixture applications, but their unique head design makes them suitable for a wide range of applications. Socket head cap screws are available in a variety of dimensions and can be easily tightened or loosened with tools from a standard socket set, making them ideal for applications with limited access.
Socket head cap screws are commonly used in automotive and household applications. In automotive settings, they are often used in earth-moving machinery. For household applications, socket head cap screws can be used for furniture manufacture and assembly.
Socket head cap screws offer several benefits over other types of fasteners. They can achieve greater clamping force with fewer screws, reducing the number of holes that need to be drilled and tapped. They also provide weight reduction due to the smaller size of the component parts and the reduced number of screws required.
Socket head cap screws are available in a range of materials, including stainless steel, monel, duplex, zinc, and bronze. Stainless steel is a popular choice due to its high strength, good corrosion resistance, and low maintenance.
When choosing socket head cap screws, it is important to consider the grade and material that best suit the specific project requirements. Socket head cap screws are typically available in standard and metric sizes, making them versatile for various applications.
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Socket head cap screws for earth-moving machinery
Socket head cap screws are ideal for applications with limited access and space, such as earth-moving machinery. They have a cylindrical head and internal wrenching features, mostly with a hexagon socket, which allow them to be used in tight locations where externally wrenched fasteners are not desirable.
Socket head cap screws are often chosen over hex head cap screws due to quality issues or repeated stripping associated with the hex head design. They also round out more easily than hex head screws, which often require extreme pressure with repeated use to round off.
Socket head cap screws offer several benefits, including:
- Fewer screws and holes are needed compared to ordinary fasteners, reducing weight and saving time and money.
- Their cylindrical heads require less space than hex heads, allowing use in confined areas.
Socket head cap screws are available in various materials, including stainless steel, monel, duplex, zinc, and bronze, each offering unique advantages.
For example, stainless steel is known for its high strength, good corrosion resistance, and low maintenance, making it a cost-effective option. On the other hand, monel, a nickel-copper alloy, provides extreme toughness at elevated temperatures.
When choosing socket head cap screws, it is essential to consider the specific requirements of your project and select a reputable manufacturer to ensure the best quality.
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Frequently asked questions
An assortment Allen head cap screw set provides a wide range of advantages for numerous types of applications. Some of the more prevalent benefits include: fewer socket head bolts of the same size can achieve the same clamping force in a joint compared to ordinary fasteners, fewer holes are required to be drilled and tapped as fewer screws are required for a given job, and there is weight reduction as fewer screws are used.
Standard head caps are typically crafted from alloy steel, stainless steel, nickel alloy, and silicon bronze.
Assortment Allen head cap screw sets typically include a range of sizes, with screws ranging from M2 to M8 in metric sizes, and from #10-32 to 5/16-18 in standard sizes.