China Customized Hex Socket Head Screws Manufacturers Suppliers Factory - Good Price

Jiangyin Xianggu Hardware Products: a Leading Professional Hex Socket Head Screws Manufacturer in China

We have specialized in manufacturing various types of Hex Socket Head Screws for many years. By doing business with us, you can gain:

Complete Product Range

Our company can provide various stainless steel, carbon steel, copper Hex Bolts, Flange Bolts, Hex Socket Head Screws, Hex Nuts, Spring Washers, Flat Washers and other fasteners. We also offer a variety of coating treatments, such as hot-dip galvanizing, Dacromet, blue-white zinc, yellow zinc.

Professional Management System

Our company is committed to integrating the advantageous supply chain system of various fastener products, focusing on the sales staff's mastery of professional knowledge of fasteners, and aims to provide customers with fastener system solutions.

Rich Experience

We have been working with customers from various countries and industries for many years, so the experience is very rich. We are willing to be your partner with first-class product quality, first-class service level and competitive price.

Wide Range of Product Applications

Our fasteners are widely used in automobiles, ships, wind energy, solar energy, boilers, electronic appliances, mechanical equipment, construction engineering and other fields.

Stainless Steel Hex Head Screws
Stainless steel hex head screws are commonly used fasteners in various industries. They are highly preferred for their durability, strength and ability to withstand extreme temperatures.
Stainless Steel Hex Socket Head Hex Screw
Stainless steel hex socket head hex Screw is an essential fastener used in a wide variety of applications such as industrial machinery, construction, automotive, and electronics.
Hexalobular Socket Head Cap Screws
Torx-Plus drives have more contact points than hex drives, allowing you to reduce slippage or damage to the grooves when tightening these screws.
Hexagon Socket Button Head Screws
Metric hexagon socket button screws made from grade 10.9 heat treated steel
Hexagon Socket Countersunk Head Cap Screws
Metric Alloy Steel High Strength Hex Drive Flat Socket Cap Head Screws
Black Oxide Socket Head Screws
Alloy Steel Grade 12.9 Black Oxide Socket Head Screws
Stainless Steel Hex Socket Screw Allen Bolts
DIN912,Stainless steel 316,M1.4 to M100
Metric Alloy Steel Hex Socket Head Shoulder Screws
Compared to grade 12.9 steel, these alloy steel shoulder screws are the strongest screws we offer.
316 Stainless Steel Socket Head Screws
Made from 316 stainless steel, these screws have excellent chemical resistance and may be mildly magnetic. Length is measured from under the head.
Hex Socket Head Cap Screws
Stainless Steel 304 Socket Head Screws. Made from 304 stainless steel, these screws have good chemical resistance and may be mildly magnetic. Length is measured from under the head.
Alloy Steel Hex Socket Head Screws
Black-oxide steel screws are mildly corrosion resistant in dry environments. Zinc-plated steel screws resist corrosion in wet environments. The screws with a blue-dyed finish are easy to distinguish.
Hexagon Socket Countersunk Head Screws
More corrosion resistant than 304 stainless steel screws, these screws have excellent resistance to chemicals and salt water.. They may be mildly magnetic.. They’re angled under the head to sit flush

First 12 Last

Brief Introduction to Hex Socket Head Screws

Hex socket head screws are widely used in industrial production and assembly lines, including the automotive industry, furniture manufacturing, machine tool applications and steel manufacturing. Like the vast majority of socket head cap screws, socket head cap screws have a cylindrical head with an Allen drive hole and are usually threaded along the entire length of the shaft. Again, they are primarily designed for use on components that do not have enough clearance to install traditional nuts and bolts or to operate a standard socket wrench.

Key Features of Hex Socket Head Screws

Long Service Life

Since these hex socket head screws are made of stainless steel, steel, aluminum and other metal materials, they have good corrosion resistance, heat resistance and pressure resistance. Whether working in complex machining and repair environments or demanding medical applications, these screws ensure stability and durability.

Strong Reliability

Hex socket head screws are less likely to come off than traditional hex cap screws. When installing or removing conventional screws, the screw heads may become dislodged. When the drill bit is placed in the drive groove of the head, it is possible to damage the screw during installation or removal. However, socket head screws distribute this rotational force on all six sides, making delamination less likely to occur.

Easy to Use

You can use a ratchet and socket combination, also known as a socket wrench, to remove or install these hex socket head screws. You can easily install the socket bit on the head of the hex screw. Once positioned, you simply turn the socket wrench to install or remove the hex head screws. A socket wrench will clamp all six sides of the head, allowing for more torque.

Wide Range of Applications

Hex head screws have a hexagonal shape that provides more torque than traditional round head screws. They also have a narrow head, making them ideal for use in hard-to-reach areas such as machine repair and maintenance and many other areas. They offer flexibility and convenience unmatched by other fasteners.

Benefits of Hex Socket Head Screws

Hex Socket Head Screws are generally made using steel or stainless steel, although other materials like carbon and alloy steel are also used as well. Following are the various advantages these bolts possess and why they are internationally acclaimed for their use in various tools, machines and other accessories.

Easier to Produce
Hexagonal Socket Screws are mostly preferred over other similar types of screws for one major reason. They are extremely easy to produce. Its simple production process can be attributed to its simple design. Moreover, they are also easy to use because of this very reason. All you need to install such screws is a strong socket wrench. They can be embedded into a wide variety of tools and machinery equipment effortlessly.

Displays Considerable Strength
A Allen bolt consists of six stress tolerating surfaces, which makes it more than capable of withstanding heavy screwing than other types of screws like the slotted or cross-shaped ones that only harbor two stress-bearing surfaces. Suffice to say, these screws can withstand stronger force than most of their counterparts.

Smooth Surface Finish
Screws are important to hold certain equipment or tool together. However, they can even result in an uneven, rough surface as they usually do not sink entirely into place. This is not the case with hex bolts. Stainless steel Allen screws, for instance, will sink entirely into their assigned space. As a result, the surface of a workpiece with such screws on them is smooth and bereft of any unattractive bumps caused by a half popped-out screw.

Easy to Install
Aside from being very easy to produce, these screws are incredibly simple to install, especially for narrower assembly occasions. Hexagonal head screws are often the first choice of mechanics and engineers when it comes to maintenance, debugging, or assembly.

Hard to Disassemble
Allen Bolts, once installed, can be excruciating to remove. This is a great advantage if you don’t want unauthorized individuals meddling with your tools or machines. That doesn’t mean they are impossible to disassemble of course. With the right wrench or a special screwdriver, one can proceed to disassemble them just as easily as they were installed in the first place.

Common Materials for Hex Socket Head Screws

There are many different materials used in the manufacture of hex socket head screws. The most common materials are steel and stainless steel, but alternatives include brass, aluminum, black nickel, zinc-plated and chrome-plated socket head screws. Choosing the ideal material depends on the specific application.

Stainless Steel Hex Socket Head Screws
Stainless steel is the most common material for socket head screws. This kind of screws are widely used in various precision machinery industries, classification instruments, meters, electronic products, household appliances, communication products, locks, lamps, lighting, toys, etc. Stainless steel not only looks great, it also offers excellent corrosion resistance. High heat resistance is also a great benefit, as due to the way stainless steel is made, it can withstand an incredible amount of heat compared to screws or sockets made of standard steel. This reliable and durable material not only ensures a long service life but also increases sustainability.

Aluminium Hex Socket Head Screws
For applications where weight is a key consideration, aluminum socket head screws are often preferred. This may include uses ranging from the automotive industry to installing hardware and trim on movable furniture, cabinets, doors and windows. Although aluminum is only about one-third the weight of steel, it is durable and tends to have lower shear strength. While aluminum has good corrosion resistance in more challenging environments, it is not as wear-resistant as stainless steel.

Zinc or Nickel Plated Steel Socket Screws
The main reason to use zinc or nickel plating is for superior corrosion (rust) resistance, and this simple manufacturing process can provide all types of screws. Combination zinc-nickel plating is generally considered a tougher coating (up to twice as hard) compared to standard zinc plating, and it offers four times the corrosion resistance of other metal coating processes. However, it is generally more expensive and may not be considered a cost-effective option in many applications where standard galvanized steel socket head screws are sufficient.

Brass Hex Socket Head Screws
Brass socket head screws are generally favored for their aesthetic value, but as an alloy of copper and zinc, brass or brass-head socket screws may offer additional advantages in certain situations. Brass is stronger than copper alone, although it is still much less rigid than most steel or stainless steel Allen screws. However, it's also worth noting that brass plating has lower corrosion resistance than solid brass socket head screws. If the product will be used in exposed locations or outdoor applications, solid brass socket head screws are a better choice.

Types of Hex Socket Head Screws

There are several socket head types to choose from.

Hex Socket Head Cap Screws – Standard

The head of this screw is 1.5 times the nominal thread diameter, making it a smaller diameter than most other machine screw heads. When in use, insert the hexagon socket head screw into the countersunk hole so that the head is flush with the surface of the fastened component. The result is a clean look. There are no protrusions on the Allen screws that could catch on skin or clothing.

Button Head Socket Cap Screws

Button head socket cap screws are sometimes called dome screws or round screws. This type of screw is characterized by its wide load-bearing surface, which helps prevent loosening. This look is popular for aesthetic purposes, while the lack of sharp edges provides a level of safety. The ball sleeve button head provides more torque than a regular button head, allowing for greater clamping force. For best results, use retaining washers to lock in place.

Countersunk Socket Screws

It is also called a countersunk hexagonal head screw or a flat head hexagonal head screw. The shoulder angle is 82 degrees for imperial screws and approximately 90 degrees for metric screws. The head is designed to be flush with or below its surface. Applications vary depending on the size of the hex socket head screw. For example, shorter varieties are ideal for light-duty applications that require strong joints. Otherwise, you will find these screws used in the automotive industry, industrial equipment, fasteners, and electronic applications.

Hex-Socket Set Screws

This type of screw is used to create a compressive load, as opposed to the tensile load on the fastener created by bolts and most other screws. Socket head set screws secure the part beneath the cup (the concave, hollow end) to resist rotational or lateral movement and to withstand vibration. When choosing a size, remember that the screw diameter should be approximately half the diameter of the shaft. This type of screw is sometimes called an Allen key set socket head screw and is suitable for light loads. For extreme conditions, it is your best choice.

Hex-Socket Shoulder Screws

These types of socket head screws have a partially smooth shaft that allows for some rotation and movement around the screw axis, while the threaded end typically uses a nut to secure the screw's position. Allen shoulder screws are typically used when pre-tapped holes need to be aligned to a certain tolerance. They are used in equipment and machines with components that require the ability and space to swing, slide, or pivot.

Hex Socket Head Screws Dimensions

Dimensions are critical to the functionality and compatibility of the corresponding hex head screw assembly. Hex socket head screw sizes are typically defined by the following elements:

Thread Size: This is the diameter of the shank of the screw. Allen screw dimensions reflect this dimension. For example, you can get metric M3, M4, M5, and M6 socket head screws, among others. Examples of imperial sizes include #6-32, #8-32, and #10-24.

Length: This is the distance from the underside of the screw head to the end of the threaded portion. Note: This is true whether we are talking about machine screws, Allen screws, long Allen screws, or even extra long Allen screws used as wall Allen screws.

Head Diameter: the diameter of the screw head.

Head Height: This is the distance from the top of the head to the bottom of the socket.

Sleeve Depth: This is the depth of the sleeve inside the head of the screw.

Applications of Hex Socket Head Screws

Here are a few popular hex socket head screw applications:

Mechanical

Hex head screws are a common choice for fastening and disassembly in mechanical projects and equipment assembly.

Construction

Hex screws are used in masonry and construction projects, especially those using steel and wood.

Tight Spaces

Hex head screws have six access points, making them easier to install, tighten, or remove in tight spaces or spaces with only one side of clearance.

Dirty Applications

Hex screws with solid heads rather than recessed or recessed hex screws are ideal for dirty applications where debris and buildup can threaten the integrity of the screw over time. Since there are no openings to fill, clogging won't occur, and if appearance or hygiene is important, they're easy to wipe down and maintain their shine.

Hex Cap Screws vs. Hex Socket Head Screws: Understanding the Differences

Hex cap screws and hex socket head socket screws are two common types of fasteners that serve various purposes in the world of manufacturing, construction, solar installation, automotive and more. Let's summarize the key differences between the two:

Head Design

Hex cap screws have a large, flat hexagonal head, while hex socket head socket screws have a cylindrical head with a hexagonal socket.

Installation Tool

Hex cap screws require a wrench for installation, whereas hex socket head socket screws require an Allen wrench or hex key.

Thread Type

Hex cap screws typically have full threads, while hex socket head socket screws often feature partial threads.

Applications

Hex cap screws excel in heavy-duty and structural applications, while hex socket head socket screws are favored in applications requiring a low-profile design or access to tight spaces.

How to Choose Hex Socket Head Screws

Are you looking to buy hex socket head screws? With their hexagonal drive recess, they offer a convenient alternative to traditional Philips head fasteners. You can install and remove socket cap screws using a hex key. Hex socket head screws are ideal for small spaces in which you can’t fit a screwdriver. While all socket cap screws have a hexagonal drive recess, they are available in different types. If you’re planning to buy them, you’ll need to choose the right type of socket cap screws.

Material
You should consider the material when choosing hex socket head screws. They are available in many of the same materials as traditional fasteners. Some of them are made of stainless. Other socket cap screws are made of alloy. Make sure the material is strong, durable and resistant to rust and corrosion.

Length
Hex socket head screws are available in different lengths as well. You’ll need to choose a length that’s appropriate for the application for which you intend to use the socket cap screws. If you’re going to use the socket cap screws to hold two or more parts together, they must be long enough to fit through those parts. Socket cap screws are available in metric and inch-based sizes. Regardless, you should choose socket cap screws in a length that matches the application for which you intend to use them.

Partially Threaded vs Fully Threaded
The shank of a hex socket head screw may be partially threaded or fully threaded. The shank is the long cylindrical body of a fastener. All screws and bolts have a shank and a head. The shank is the body, whereas the head is the top to which the body connects. There are socket cap screws with a partially threaded shank, and there are socket cap screws with a fully threaded shank.

Coarse vs Fine Thread
Something else to consider when choosing hex socket head screws is whether the thread is coarse or fine. Coarse thread is characterized by fewer threads per distance. Fine thread is characterized by more threads per distance. In other words, fine-thread socket cap screws have more, thinner threads than coarse-thread socket cap screws.

Testing Equipment

We use the following equipment to test our products to ensure they meet high quality standards：

productcate-700-1015

Factory Photos

The picture below is our production workshop:

productcate-700-529

Ultimate Guide

Q: What is a socket screw?

A: Socket screws are a type of threaded bolt which screws into an appropriate socket, and are used to fasten various materials together. They are designed to be turned by hex keys or similar tools.

Q: What are screws with hex heads called?

A: Hexagon head cap screws, also called hex bolts or hex head cap screws, are threaded fasteners with a six-sided head. They are installed with a wrench or a socket. Compared to other fasteners, hex head cap screws provide a larger surface-bearing area for better clamping.

Q: What are the advantages of using a hexagonal socket head cap screw?

A: With their hexagonal shape, hex cap screws allow for greater torque than that of traditional screws with a circular head. You can't install or remove them using a standard screwdriver bit like a flat head or Philip's head. Rather, you'll have to use a ratchet and socket combination.

Q: What is the difference between hex head screws and socket head screws?

A: Standard socket head screws generally have higher tensile strength, better yield strength, and higher shear strength than hex head screws of the same size. But they require fewer counter-bore because they are internally screwed.

Q: What is the difference between hex bolts and hex screws?

A: The main difference is that hex bolts require a hex nut to be tightened onto them, whereas hex head screws require screwing into a threaded hole and tightening by turning its head.

Q: Are hex socket head screws strong?

A: Standard inch socket head cap screws are 20% stronger than Grade 8 hex head screws and 50% stronger than Grade 5 hex head screws. Tensile strength of at least 180,000 psi for sizes 1/2' diameter and smaller and 170,000 psi for sizes 5/8' diameter and larger.

Q: What Is the strongest fastener?

A: As far as fasteners go, several heavy-duty industrial bolts outclass the rest. However, in the world of screws, the self-tapping screw is often seen as one of the strongest and most versatile options.

Q: Are hex head screws fully threaded?

A: Cap screws usually have full threads up to 1-1/4 inches, and hex head bolts longer than this are almost always partially threaded. Hex head screws are available in diameters 1/4 inch and above.

Q: Are M10 and 10mm the same?

A: Metric threads are designated with a capital letter M plus their nominal outside diameter and pitch: This bolt is M10 x 1.5 - meaning the outside diameter is 10mm and the thread pitch is 1.5mm (M10 is the most common thread pitch).

Q: Why use a socket head screw?

A: Socket screws are the preferred screw when bolts and nuts can't be used. The hex socket means the screw has six stress-bearing sides. Compared to other screws, socket screws of the same size enable you to achieve higher torque and clamping force.

Q: What grade is a socket head screw?

A: Metric has two strength levels, property classes 12.9 and 8.8. 8.8 is about 30% weaker. 8.8 is also 20 - 50% less expensive.

Q: Are hexagon socket screws bolts?

A: The most basic difference between cap screws and bolts is how these fasteners are installed. Technically speaking, bolts are installed by turning the nut to tighten the fastener, while cap screws are installed by turning the head of the bolt to assemble and tighten.

Q: Are all hex socket head screws grade 8?

A: Allen screws do not have a designated grade like hex screws. Standard Imperial series socket head cap screws are 20% stronger than Grade 8 hex cap screws and 50% stronger than Grade 5 hex cap screws.

Q: Which one is stronger, Grade 8.8 or Grade 5?

A: Metric 8.8 grade is not as strong as Imperial 8 grade. As you can see from the table below, metric grade 8.8 is equivalent to grade 5, not grade 8.

Q: Regarding hexagon socket screws, are class 8.8 the same as grade 8?

A: The answer is negative. Class 8.8 is different from grade 8.

Q: How strong are hex socket head screws?

A: U.S. standard alloy steel socket head cap screws are available in strength ratings of 180,000 and 170,000 psi, meeting current industry standards.

Q: Is there a difference between 304 and 316 stainless steel hex socket head screws?

A: 304 and 316 stainless steel socket head screws provide a reliable fastening solution. Grade 304 offers good corrosion resistance and strength for general-purpose applications, while Grade 316 excels in harsh environments with its superior corrosion and chemical resistance.

Q: What is a socket head cap screw?

A: The name 'cap screw' was traditionally used as an umbrella term, meaning any one of the various screw types chosen for fastening applications where the use of a nut and bolt installation was deemed unsuitable. However, today, it tends to refer specifically to a particular style of screw head. Any number of different screw types and shapes can incorporate elements of the basic cap screw head design - you might find anything from shoulder screws and countersink screws, through to button and fillister head screws described broadly as cap screws. A socket head cap screw is also commonly referred to as a socket cap screw, Allen bolt, or simply a socket screw. In many ways, it is very much the standard version of a socket screw. Socket head cap screws are widely used in industrial production and assembly lines, including in the automotive sector, furniture manufacture, machine tooling applications and steel fabrication. This is chiefly due to the fact that they are easy to install and tighten or loosen, as well as providing impressive clamping strengths while retaining a discreet and tidy finished look. As with the vast majority of all socket screws, the socket head cap screw features a cylindrical head with an internal hex drive hole and is often threaded all the way along the full length of the shank. Similarly, they are primarily designed to be used in assemblies where there isn't sufficient clearance to install a conventional nut and bolt or to manoeuvre a standard socket wrench.

Q: What is a socket screw?

A: Socket screws are a type of screw designed and manufactured with a hexagonal (hex) internal drive built into the head. As such, they are intended to be tightened and loosened with an Allen wrench or hex key, as opposed to a traditional screwdriver. This is the key feature that sets a socket screw apart from other screw head drive styles such as the Phillips head screw, slotted and flathead screws, and Pozidriv screws, to name just a few. Another common distinction is that socket screws are often squared off at the tip. These are generally referred to as flat point socket screws and they tend to be the most widely used type found in many common applications. However, it's worth noting that various other designs are also available.

Q: What exactly is the point of a socket screw, and when should you use one?

A: In short, socket screws combine some of the increased performance features of other common hex fasteners - nut and bolt systems being the obvious point of reference - with the convenience and ease of use of a standard format screw set. This middle ground can be a useful compromise in many situations, particularly when working in confined spaces or areas without easy access to secure externally wrenched hex fasteners.

Q: What are tamper-resistant socket cap screws?

A: Tamper-resistant socket cap screws are threaded fasteners that, as the name suggests, feature a tamper-resistant socket head. Unlike most other screws, they don’t feature a flat head or Phillips head recess. Instead, tamper-resistant socket cap screws feature a hexagonal recess with a security pin. Socket cap screws are commonly used in machinery and workholding applications. This is because they typically require less space to install than other types of fasteners. You can use an Allen wrench - or a similar-shaped security key - to install socket cap screws. In comparison, other types of fasteners may require a full-sized screwdriver or wrench.

Q: How tamper-resistant socket cap screws differ from traditional socket cap screws?

A: There are traditional socket cap screws, and there are tamper-resistant socket cap screws. Both traditional and tamper-resistant socket cap screws feature a hexagonal recess. When inspecting the head, you’ll notice an indention or recess that’s shaped like a hexagon. The difference is that traditional socket cap screws have an open hexagonal recess, whereas tamper-resistant socket cap screws have a hexagonal recess with a small rod-like protrusion in the center. This rod-like protrusion is a security pin, and it’s designed to protect against tampering.

As one of the most professional hex socket head screws manufacturers and suppliers in China, we're featured by customized hardware products made in China. Please rest assured to buy or wholesale high quality hex socket head screws for sale here from our factory. For price consultation, contact us.

1 4 28 stainless steel button head cap screws, packaging hex socket head screws, specification of hex socket head screws