Machine Screw

China Machine Screw Manufacturers Factory Suppliers

 

 

We specialize in producing all kinds of Machine Screw products, mainly Tap Tite Hex Washer Head Screw, Hex Head with Flat Washer and Spring Washer Screw, Pan Head Machine Screw, Flat Head Machine Screw, DIN7991 CSK Socket Machine Screw, DIN967 Handle Screw, DIN84 Slotted Round Head Machine Screw, etc.
Haiyan Gete Hardware Co.,Ltd. was established in 2014. After years of operation, it has mature technical expertise, advanced process equipment, extensive production experience, and a complete service system.
We have established long-term cooperative relationships with customers around the world, allowing customers around the world to buy high-quality products and enjoy excellent customer service.

 

Company Advantages

 

Well-Experienced
Haiyan Gete Hardware Co.,Ltd was established in 2014, with more than 10 years of manufacturing experience, creating many successful cases and can provide customers with perfect solutions. Our fastener and hardware business improves year by year in Europe and North American market.
Professional Team
We have hundreds of professional and technical personnel, and we can provide you with professional services. Professional engineers also can provide expertise consultations and professional advice on product selection and maintenance. Firmly supported by a fully experienced sales and engineering team, we can assist you in finding the exact hardware and fastener products you plan to purchase.
Competitive Pricing
We offer competitively priced for our products, ensuring that we can offer our customers a high-quality solution without breaking the bank. We also can offer different discounts based on your order quantity.
Quality Assurance
We adhere to stringent quality control measures to ensure that our products meet and exceed industry standards. Our fasteners are manufactured using premium materials and undergo rigorous testing to guarantee their durability, strength, and reliability in diverse operating conditions.
Customized Services
We offer customization options for our fasteners, including variations in size, material, and finish. This flexibility allows us to tailor our products to specific project needs, ensuring optimal performance and compatibility and our team is capable of developing new products or providing technical solutions tailored to customer requirements. If you have any special request, please send us the details.
Expansive Market Reach

With an experienced and professional team, we have exported our products to many countries and regions all over the world. Our products sell well in mainstream markets such as Europe, North America, Japan, South America, Oceania, and Asia. We have established long-term cooperative relationships with customers around the world.

First 12 Last 1/2

 

Introduction to Machine Screw

A machine screw is a fastener used to join two or more parts together with a threaded hole. They are typically smaller than other screws, with a diameter of up to 0.75 inches. Machine screws are often blunt-ended, and are stronger and more precise than other types of screws.
Machine screws are designed to withstand vibrations and liquids because they are used in machines. If a machine screw is made of a weak material, it may crack when exposed to a machine's vibrations.
The most common applications that machine screws tend to be used for involve metal parts and panels needing to be fixed securely together. This is a daily requirement across all manner of industrial, manufacturing, construction, assembly, process, and production environments.

Guard Rail Bolt

 

Steel Carriage Bolt

 

Advantages of Machine Screw
  • Strong and durable: One of the significant advantages of machine screws is their strength and durability. Machine screws are strong because they are made from high-quality materials like steel or stainless steel. They can withstand high loads and pressures, making them ideal for heavy-duty applications.
  • Easy to install: Another significant advantage of machine screws is their ease of installation. The screws are designed to be used with nuts, which makes them easy to install, even in tight spaces. With just a screwdriver and a pair of pliers, you can quickly tighten and secure the screws in place.
  • Versatile: Machine screws come in different sizes and lengths, making them ideal for a wide range of applications. From electronics to automotive industries, machine screws can be used in almost every industry. They are also ideal for joining materials like plastic, wood, and metal.

 

Types of Machine Screw
 
 
Taptite Hex Washer Head Screw

Taptite Hex Washer Head Screws are thread-forming screws with an indented hexagon washer head. They are also known as thread rolling screws.
Taptite Hex Washer Head Screws have a triobular shape that reduces friction and provides prevailing torque. They also have a tapered point that allows for lower installation torque during initial thread forming.
Taptite Hex Washer Head Screws can be used in drilled, punched, or cored holes in ductile metals and punch extruded metals. They don't require the hole to be tapped before insertion because they tap their own thread during assembly.

 
Pan Head Machine Screw

Pan head machine screws are fasteners that secure two or more objects together. They have a rounded head with a flat top and a cylindrical shaft with threads. Pan head screws are similar to round heads, truss heads, and binding heads, but pan heads have largely replaced these other heads in modern screws.
Pan head machine screws are commonly used in electronics, furniture, and appliances. They are also often used to secure metal components, such as machinery and automotive parts and accessories.
Pan head machine screws can be designed with a variety of head types. For example, a slotted pan head machine screw has a single cut in the head for use with a straight screwdriver. A Philips pan head machine screw has a cross cut into the top for use with a Philips screwdriver.

 
Flat Head Machine Screw

Flat Head Machine Screws, also called countersunk screws, are conical with a flat outer face and a tapering inner face. They are commonly made out of stainless steel or zinc coating.
A flat head machine screw is a type of machine screw with a flat head. Machine screws are threaded fasteners that are often used in industrial, manufacturing, and construction environments. They are usually smaller than other types of bolts and fasteners, and are stronger and more precise than other types of screws.
Flat Head Machine Screws are used in the building industry for cabinets, countertops, stairs, furniture, drywall, and other components. The countersunk design of the flat heads is great for applications where dust and dirt can accumulate on the surface.

 
Handle Screw

Handle screws are threaded fasteners that connect a door handle to a door. They are typically made of a long, thin metal shaft with a threaded end. Handle screws are designed for cabinets, doors, drawers, and furniture, and come in various lengths.
Handle screws can also be used for other purposes, such as:

  • T-handle screws: Can be used on operating levers and clamping fixtures.
  • M4 type fixing screws: Made of steel with a flat head and thread, these screws are suitable for most cabinet handles and knobs.
  • Handle screws for multi-cookers: One screw can attach each handle to the multi-cooker body.
 
Slotted Round Head Machine Screw

A slotted round head machine screw is a fastener with a round, domed head and a slotted recess. They can be installed with a flat-bladed screwdriver or bit.
Slotted round head machine screws are often used with nuts and driven into tapped holes. They are widely used in heavy-duty machinery, electrical equipment, and various other industrial applications that require secure and reliable fastening.

 
Socket Machine Screw

A socket machine screw, also known as a socket head cap screw or Allen head screw, is a type of screw with a hexagonal internal drive built into the head. Socket screws are recessed within a counterbored hole so that the head is flush with the surface of the component being fastened.
Socket Machine Screws are designed to be tightened and loosened with an Allen wrench or hex key, as opposed to a traditional screwdriver. They offer advantages such as higher torque and clamping force compared to regular screws, reducing the number of screws needed in an application. Socket screws are commonly used in industrial production and assembly lines, including automotive, furniture, machine tooling, and steel fabrication.

 

 

 

Applications of Machine Screw

Machine screws are most commonly used to connect metal pieces and panels together. This is a common requirement in all types of industries, including: Manufacturing, Production, Assembly, Industrial settings.
In other words, machine screws are utilised like any other kind of screw or bolt. Some of the uses of machine screws also include:

  • Drilling or tapping into a pre-drilled hole or nut
  • Holding down or sandwiching gaskets and membranes
  • Used on terminal strips and for a variety of other electrical connections
  • Separating and securing components or panels that must be kept at a predetermined distance from one another
Big Size Hexagon Head Bolt Brass Hex Bolt

 

Hex Flange Bolt

 

Precautions of Machine Screw

When working with screws, there are several precautions to take, including:
Use the right screwdriver: Select the right screwdriver for the job and make sure the screwdriver and screw head are properly aligned.
Keep the handle clean and intact: This will allow for a solid grip.
Avoid hand injuries: Keep your hands away from the threaded fasteners while driving them into parts or objects. This can result in cuts, punctures, or even amputations.
Avoid eye injuries: When driving screws, there is a risk of flying debris or the screw itself hitting your eyes.
Avoid hammering screws: Do not hammer screws which cannot be turned.
Avoid grinding the tip: Do not grind the tip to fit all sizes of screw heads.
Use a torque driver or torque wrench: Properly tighten the screw using a torque driver or torque wrench.
Avoid forcing the screw past its safety stop: Never force screw past its safety stop.

 

Certifications
 
 

We have various technical certifications incorporate: GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS . The quality of our products is highly praised by customers.

productcate-1-1
productcate-1-1
productcate-1-1
productcate-1-1
productcate-1-1

 

Products Description
 

We have a fully automatic CNC production line, and are committed to providing customers with the best products and services.

productcate-1-1
productcate-1-1

 

productcate-1-1

 

Frequently Asked Questions
 

Q: How to measure a machine screw?

A: Machine screw sizes are wide-ranging. The nominal machine screw length is measured from below the head to the tip of the screw. That's the case for most machine screws. Machine countersunk screws – or any countersunk screw for that matter – are measured differently. The length of any screw typically parallels with the length of the hole. Countersunk machine screw dimensions are designed to sit flush with the surface of its housing. Thus, these screws are measured from the top of the head to the bottom of the screw.

Q: How exactly are machine screws different from other types of bolts or fixings?

A: The simple answer is that machine screws are usually distinguished from other common fastener types like wood screws by their physical features and intended uses. Some of their typical physical characteristics are outlined below:
Standard machine screws tend to be somewhat smaller (both in length and diameter) than many other types of bolts and fasteners
Machine screws are almost always blunt-ended (flat-tipped), unlike many other screw types which taper to a sharp point at the tip
Although this isn't always the case, most machine screws are fully threaded, meaning that the threading runs the full length of the fastener shank from just below the head right to the end
Machine screws are usually stronger than many other screw types. They are manufactured to high standards using refined techniques, providing better all-round quality, precision, and thread uniformity
Machine screws are typically designed with finer, more accurate threads than alternative fastener types. They are generally intended for use with a pre-drilled interior tapped hole or a nut
Machine screws are most often used for fastening metal parts securely together in various types of machinery or construction. Other uses include vehicles, engines, tool assembly, electronic devices, and large-scale industrial equipment

Q: How do you use machine screws?

A: Follow the below steps for guidance on using machine screws:
You use a machine screw by drilling or tapping it into a pre-drilled hole or nut, using either a manual or powered screwdriver
Power tools are frequently associated with the use of machine screws. This is because fasteners of this type are typically demanded in more heavy-duty or industrial-scale assembly and construction jobs
In the vast majority of scenarios, machine screws will be used with a nut and driven into a pre-drilled (tapped) hole. When using a nut with a machine screw, the nut will typically go behind the rearmost component or part being fastened
Machine screws are versatile and are often used to join two or more different parts or components. Sometimes, they are also chosen to hold down or sandwich gaskets and membranes, as well as being used on terminal strips and for making numerous other sorts of electrical connections
A handy alternative use for machine screws is to separate and secure parts or panels which need to be kept at a fixed distance from one another. This is achieved via a type of threaded coupling which allows two machine screws to be driven in from opposing directions. The separation distance you require between parts will dictate the length of the coupling inserted between the two fasteners

Q: What are Machine Screws Made Of?

A: Machine screws come in a variety of types, materials, configurations, as well as drive sizes and heads. They are most commonly made from steel, brass, aluminum alloy, and stainless steel.

Q: Is a Machine Screw a Bolt?

A: The exact difference between machine screws and bolts is not always clear, particularly as their appearance is similar. However, machine screws are typically smaller than bolts, although a more precise distinction is the way that they are tightened in a tapped hole.
Bolts tend to be driven home and then tightened fully by turning the nut on the rear side of the fastening. With machine screws, the majority of tightening force (torque) is applied to the head of the screw itself when driving it into a tapped hole.
A further dissimilarity for bolts vs machine screws is that while all machine screws can be effectively used as a type of bolt, the same is not necessarily true in reverse. In other words, not all bolts can perform the full range of functions as a machine screw.

Q: What is the thread processing method of Machine Screw?

A: Machine screws are known for their fine thread. Their threads are carefully formed by the machining process known as die cutting. That process cuts away material to form grooves. The cut-away area on the metal is what forms the screws thread.
Another process is called roll forming where a thread is rolled into the screw. The rolling die uses high pressure to form the metal and create the threads that way. This process does not remove any metal material to create the threads.

Q: How to Measure Machine Screws?

A: There is a wide range of machine screw sizes available, and knowing how to measure machine screws is another important step in choosing the right fastener for the job at hand.
Machine screws can be measured and sold both by thread size (usually referring to the nominal diameter of the threading, i.e. the functional width of the screw) and by length. Length is typically measured from immediately below the head to the tip of a machine screw. However, it is usually worth double-checking whether a given screw length measurement includes the head portion or not. Most often, it will not.

Q: How are machine screws used?

A: Machine screws are usually used by drilling or tapping into a pre-drilled hole or nut. You can use either a manual or powered screwdriver and the head type is determined by the tool you are using, and of course these screws are often used in automated assembly lines or construction.

Q: What are the disadvantages of Machine screws?

A: Cost: One of the significant disadvantages of machine screws is their cost. Compared to other types of screws, machine screws are more expensive. The cost can increase even further if you require a custom size or length.
Requires a Nut or Tapping: Machine screws require a nut or tapping to be used correctly. This means you will need additional tools like pliers or a die set to use them. This can be a disadvantage if you are working in a tight space.
Time-consuming: Because machine screws require a nut or tapping, this process can be quite time-consuming. Installing and tightening machine screws can take longer than other types of screws, like self-tapping screws.

Q: How Do I Cut a Machine Screw?

A: Sometimes, you might find that you need to cut bolts and machine screws of various types shorter than the standard lengths available. This can be necessary for situations where you need to prevent overhang or fix other alignment issues. Standard bolt cutters will do the job, but they can damage threading or leave an untidy finish.
Instead, one of the best ways to cut a machine screw without damaging the threads is to use a pair of electrical pliers (a crimp tool) which features a series of metric sizing crimp holes near the hinge. These are common on certain crimp tool die sets.
In a pinch, you can also use a hacksaw to shorten a bolt or machine screw. However, you are more likely to damage the threading this way, and you may need to finish the cut end with sandpaper or deburring tools afterwards.

Q: What are the sizes of machine screws?

A: There is a range of machine screw sizes available in the market. So, knowing how to measure a machine screw is essential for choosing the ideal fastener for the machine.
Machine screws are sold by thread size and length. They come in different sizes and to be sure, always check the website or the guide given by the machine screws manufacturers.

Q: How do I decide what type of machine screw to use?

A: There are three main things to look for in a machine screw: size, material, and thread. Machine screws have to be the same size as the pilot hole, so getting the size right is essential. Material is less important, but it helps to opt for a corrosion-resistant material like stainless steel or zinc-plated metal. Finally, some machine screws only have thread along a portion of the shank, while others have thread along the entire shank. Decide which to use depending on the job at hand.

Q: Where Are Machine Screws Used?

A: Machine screws are mainly used to join and secure machine components. They're used in engines, computers, smartphones, construction equipment, and virtually every piece of industrial equipment with fasteners.
Depending on the unique needs of the work at hand, machine screws with different heads are used. For instance, pan heads are used when the head can't protrude out from the join. This makes them the fastener of choice for cars and engines, where every millimeter of space counts.
Because truss machine screws are more secure than other machine screws, they're commonly used in the aerospace industry to craft airplanes and other aerial equipment.

Q: How do machine screws work?

A: Machine screws are screwed in, not driven in, and require torque applied to the heads. They are used with a threaded hole to join two components together, sometimes requiring a nut.

As one of the leading machine screw manufacturers and suppliers in China, we warmly welcome you to buy machine screw for sale here and get free sample from our factory. All customized products are with high quality and low price.

Stainless Steel Deck Screw Terrace Screw, Decking Screw, HDG U Bolt