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Socket screws are also called hexagon socket screws. The outer edges of the head is round and the middle is a concave hexagon which drive built into the head, so it requires a key to tighten and remove. FastenMetal is one of the best socket screws manufacturers In China, We off various types of socket screws with a range of sizes and materials. We also produce special fasteners according to customer drawings.
Long socket screws and nuts are sturdy fasteners used for tight, secure fittings in machinery, construction, and heavy-duty projects. These screws have a hex socket head, making them easy to tighten with an Allen key, and are typically paired with matching nuts. They offer strong support and a neat finish, perfect for applications where a solid, lasting hold is essential.For quotes,inquiries,or custom screws and nuts request, please feel free to click the button”get a free quote”.
Standard:DIN912
Finish:As finished
Size:M2.5-M30(Other sizes, please inquiry us)
Strength Grade:12.9
Standard:DIN912
Finish:As finished
Size:M2.5-M30(Other sizes, please inquiry us)
Strength Grade:12.9
Button Head Socket Screws are screws known for their button shaped heads and internal hex drive (socket) that allows for tightening with an Allen key or hex wrench. They are popular in applications requiring a clean, low-profile finish as the rounded head sits above the surface, giving a smooth appearance. Typically made from materials like stainless steel, alloy steel, or even plastic, these screws are widely used in machinery, electronics, and furniture due to their strength and ease of installation.For quotes,inquiries,or custom screws and nuts request, please feel free to click the button”get a free quote”.
Size:M2.5-M16(Other sizes, please inquiry us)
Strength Grade:8
Stainless Socket Shoulder Screws, also known as shoulder bolts, are sturdy fasteners made of corrosion-resistant stainless steel, featuring a smooth, unthreaded shoulder between the head and threaded end. For quotes,inquiries,or custom screws and nuts request, please feel free to click the button”get a free quote”.
Material:stainless steel
Standard:GB
Finish:As finished
Size:M2.5-M16(Other sizes, please inquiry us)
Strength Grade:8
Material:stainless steel
Standard:GB
Finish:As finished
Size:M2.5-M16(Other sizes, please inquiry us)
Strength Grade:8
Stainless Steel Round Head Socket Head Cap Screws are fasteners with a rounded head and a hex socket drive, designed for strong and precise fastening. Made from corrosion-resistant stainless steel, they are ideal for applications requiring durability in harsh or outdoor environments. These screws are commonly used in machinery, automotive, and construction industries, providing a secure and long-lasting connection.
For quotes,inquiries,or custom bolts and nuts request, please feel free to click the button”get a free quote”.
Material:stainless steel
Standard:GB
Finish:As finished
Size:M6-M24(Other sizes, please inqury us)
Strength Grade:8
Thin Flat Head Socket Screws are screws with a low-profile, flat head that sits flush with the surface when installed. They have a hex socket in the head, allowing for easy tightening with an Allen key or hex wrench. Commonly used in applications where space is limited or a smooth finish is required, they provide a secure and discreet fastening solution.For quotes,inquiries,or custom bolts and nuts request, please feel free to click the button”get a free quote”.
Material:stainless steel
Standard:GB
Finish:As finished
Size:M6-M24(Other sizes, please inqury us)
Strength Grade:12.9
A Socket Head Shoulder Screw, also known as a shoulder bolt, has a cylindrical head with a hex socket and an unthreaded shoulder between the head and threads. The shoulder acts as a spacer, axle, or pivot, providing precise alignment and smooth rotational movement in mechanical assemblies. It’s commonly used in machinery, tools, and equipment for applications requiring a strong, precise connection.For quotes,inquiries,or custom bolts and nuts request, please feel free to click the button”get a free quote”.
Material: alloy steel
Standard:GB
Finish:Blacken
Size:M6-M24(Other sizes, please inqury us)
Strength Grade:12.9
Blacken Half Threads Socket Head Cap Screws are fasteners with a partially threaded shank and a blackened finish, offering corrosion resistance and a sleek appearance. They feature a cylindrical head with a hexagonal socket, allowing for easy tightening or loosening using an Allen key or hex wrench. Commonly used in machinery and construction, these screws provide high strength, precision, and a flush finish when installed.For quotes,inquiries,or custom bolts and nuts request, please feel free to click the button”get a free quote”.
Material: alloy steel
Standard:GB
Finish:Blacken
Size:M6-M24(Other sizes, please inqury us)
Strength Grade:12.9
Socket countersunk flange bolts are fasteners with a cylindrical head designed to sit flush with the surface of the material they’re fastened to. They feature a hexagonal socket drive for easy installation using an Allen wrench. The flange provides additional surface area, distributing the load and enhancing stability. These bolts are commonly used in applications where a clean, flat finish is required, making them ideal for machinery, automotive parts, and furniture assembly.For quotes,inquiries,or custom bolts request, please feel free to click the button”get a free quote”.
Material: Stainless Steel 304,316, brass
Standard:DIN
Finish: As finished
Size:M6-M80
Strength Grade:Grade8.9,10.8.12.8
Socket hex countersunk captive screws are a type of fastener designed with a hexagonal socket for easy tightening with an Allen key. Their head is countersunk, meaning it sits flush with the surface, offering a neat finish. These screws are “captive,” so they remain attached to the panel or part, which is useful for applications where parts need to be removed and reattached frequently. For quotes,inquiries,or custom captive screws request, please feel free to click the button”get a free quote”.
Material: Stainless Steel 304,316, brass
Standard:GB819
Finish: As finished
Size:M2-M8
Strength Grade:Grade8.9,10.8
Still not finding what you’re looking for? For fasteners that are unavailable as standard products, or for very specific requirements, we can manufacture custom fasteners and fixings exactly to your specifications or drawings.
Socket head cap screws is a type of screws for machinery. Its head is round on the outside with a hexagonal indentation in the center, usually installed using an Allen wrench. This type of screw has multiple names, also referred to as an Allen bolt, socket head screw, or hex socket screw—all meaning the same thing.
Based on material, there are stainless steel and carbon steel options. For stainless steel, there are SUS202 standard stainless steel hex socket head screws, as well as SUS304 and SUS316 versions. Carbon steel hex socket head screws are classified by strength grade, including 4.8, 8.8, 10.9, and 12.9. Grades 8.8 to 12.9 are considered high-strength, high-grade socket screws.
FastenMetal Custom various of non standard screws according to customers drawing.We pride ourselves on our service. Our team have many years of expertise and experience in the world of fasteners, engineering and associated industries. Just drop us an email at sales@fastenmetal.com
When an socket screw has been used for a long time or improperly handled, it can sometimes become “stripped,” meaning the hex shape on the screw head has worn down, making it difficult to grip with standard tools. However, with the right techniques and tools, we can still remove it effectively. Here are some recommended methods:
1.Use a Screw Extractor
A screw extractor is specifically designed to tackle stripped screws. It typically has a reverse-threaded structure that, when inserted into the screw’s hole, uses friction or thread engagement to pull the screw out. To use, align the extractor’s tip with the screw hole, tap it gently to embed, and then rotate the extractor counterclockwise to gradually remove the screw.
2.Combine with a Power Drill
If the screw extractor alone isn’t effective, try using it with a power drill. Attach the extractor to the drill, then rotate it counterclockwise at a low speed to increase force and stability. Be mindful of the pressure to avoid damaging surrounding materials.
3.Make a DIY Extractor
If you don’t have a professional extractor, you can try making one. Use a piece of high-hardness wire or a small-diameter drill bit, sharpen it to a point, and slightly bend it to form a hook shape. Insert this hook into the screw hole and try to catch onto the remaining internal threads, then slowly apply force to twist it out.
4.Welding Method
In extreme cases, consider welding a small nut or bolt onto the top of the stripped screw. This creates a “handle” that you can then grip with a wrench or socket wrench to twist out the original screw. This method requires welding skills and may cause heat damage to surrounding materials.
5.Chemical Dissolution Method
Use a chemical solvent, such as penetrating oil or rust remover, applied to the screw hole. This helps to soften rust and binding agents, making it easier to remove the screw. Allow time for the solvent to fully penetrate. Note that some solvents can harm plastic or rubber components.
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