Screws are common in many projects, from basic construction and repair work to intricate machinery.
But with so many different types of screws out there, it can be difficult to know which one is best for the job. But do not worry; we are here for you again!
In this blog post, we’ll take a look at the different types of screws, the benefits and drawbacks of each type, and which type is best suited for different tasks.
Whether you’re a DIY enthusiast or a professional contractor, understanding the different types of screws will ensure that you have the right tool for the job.
1. Self-Drilling Screws
Self-drilling screws are a type of fastener that is designed to penetrate materials without the need for pre-drilling.
They are used in many applications, such as attaching sheet metal to wood, plastic, or other types of material.
The self-drilling screws have a tip specially designed to cut its own thread into the material it is attached to.
It is important to use the right size and length of self-drilling screw for the job and to ensure that the screw is driven into the material correctly.
Self-drilling screws provide a strong, secure connection and can be used with the appropriate drill bit and tap if needed. Self-drilling screws are the starter of our list of different types of screws.
2. Sheet Metal Screws
Sheet metal screws are a type of screw that is used to secure pieces of thin sheet metal together.
Sheet metal screws have threads that allow them to bite into the material they’re being attached to, and they also have a special head design that helps hold them in place.
The most common materials used in sheet metal screws are steel and stainless steel, although other metals such as brass, bronze, and aluminum may also be used.
These are one of the different types of screws that can be found in various sizes and shapes, making them suitable for various projects.
The most common types of sheet metal screws are the round head, flat head, and oval head.
Each of these types of screws has its own distinct purpose and is designed for different applications.
Round-head screws are best used for projects that require large amounts of torque, while flat-head screws are ideal for applications where precision is important.
Oval head screws are more decorative than the other two types and offer more holding power than the flat head variety.
3. Thread Cutting Machine Screws
Thread-cutting machine screws are threaded fasteners with sharp cutting edges that are used to make threads in a hole or a nut.
They are available in various head styles and lengths and are made from metal, such as steel or stainless steel.
These types of screws are designed for use in metal components and may also be used in wood, plastic, and other materials.
They can be driven into place using a screwdriver, drill, impact driver, or other tools, and their cutting edge creates the threads as the screw is tightened.
Depending on the application, these screws offer a secure fit and are available in coarse, fine, or extra-fine threading. And they hold the third spot on our list of the different types of screws.
4. Wood Screws
Wood screws are also one of the different types of screws often used in carpentry and woodworking projects.
They are typically cylindrical, tapered, and feature a pointed tip for driving into the wood. They are also designed to create their own threading as they are driven in.
Wood screws come in different sizes and materials, including stainless steel, brass, copper, zinc-plated steel, and more.
Depending on the type of wood you’re working with, several types of wood screws are available to meet your needs.
Wood screws are best for wood-to-wood joining applications, such as attaching the trim to furniture, framing studs to walls, or attaching two pieces of wood together.
They can also be used in some plastic applications but should not be used in metal-to-metal applications.
When using wood screws, always pre-drill a pilot hole and use the correct length screw for the thickness of the material you’re working with.
5. Machine Screws
Machine screws are a fastener designed to be used with a matching pre-tapped or threaded hole.
They are characterized by their flat head, which allows them to be driven into materials with a nut or into a tapped hole.
They come in various sizes and materials, including steel, brass, aluminum, and stainless steel.
Machine screws are commonly used in various applications, such as electrical components, automotive parts, and industrial machinery.
Machine screws are also widely used for small-scale construction projects, such as furniture assembly and picture frame mounting.
They are available in inch and metric measurements and can be purchased from most hardware stores.
6. Hex Bolts
Hex bolts are a fastener typically used to secure two or more pieces of material together.
They consist of a threaded shaft with a hexagonal head and a washer, which is tightened using a wrench or socket.
Hex bolts are designed to be installed in pre-drilled holes and provide a strong connection when the bolt is secured.
As hex bolts are quite durable, they can be used in various applications, from construction to automotive repairs.
When choosing a hex bolt, it is important to ensure that the size and grade of the bolt match the application requirements.
The size of the hex bolt is determined by the threaded shaft length and the head’s diameter. The grade of the hex bolt indicates the amount of tension the bolt can withstand.
And it should be chosen based on the weight and load of the connected materials. Choosing the right grade will ensure a secure and long-lasting connection.
7. Carriage Bolts
Carriage bolts are one of the most versatile and commonly used of the different types of screws.
They have a flat, dome-shaped head with a square shoulder beneath it and are designed to be driven in by a wrench.
Carriage bolts are used in many applications, including furniture, staircases, and window frames. They are easily identifiable by their round heads and the squared indentation beneath them.
They are available in various sizes, materials, and finishes to suit the needs of various projects.
8. Lag Bolts
Lag bolts, also known as lag screws, are a type of threaded fastener that is designed to secure pieces of wood together.
Lag bolts have a hexagonal head and a sharp point, which allows them to penetrate the wood being secured easily.
They are available in several sizes and thread types, making them an ideal choice for indoor and outdoor woodworking projects.
The threads on lag bolts help ensure a strong and secure connection, making them one of the most popular of the different types of screws for woodworking applications.
Lag bolts are an especially important type of screw to consider when building decks, fences, and other outdoor structures, as they can securely attach posts, beams, and joists.
Unlike regular wood screws, lag bolts can be tightened firmly with a wrench or socket instead of a screwdriver.
Plus, their larger size helps to ensure a tight fit between the wood pieces being joined together. For this reason, lag bolts are typically used when the joint needs to be strong and secure.
9. Socket Screws
Socket screws are the most common type of fastener used in household and industrial applications.
Socket screws, also known as Allen head screws, are designed to be driven by a hex key or an Allen wrench.
They are more efficient than other fasteners because they can provide a strong hold without needing to be over-tightened.
Socket screws come in various sizes, from small miniature screws to larger industrial screws, and are made from various materials, such as stainless steel and brass.
Socket screws provide superior corrosion resistance and are ideal for applications requiring a secure and durable hold. These are also included in the list of the different types of screws available.
10. Set Screws
Set screws, sometimes called grub screws, are threaded fasteners used to secure objects or parts.
These types of screws are available in various head styles and materials, and they are driven into place with an Allen wrench.
Set screws are particularly useful in areas with no access to the opposite side. They are commonly found in motor components, roller chain assemblies, and machine tools.
Set screws, as one of the different types of screws, have several advantages, including their low cost and versatility.
Set screws come in several different varieties, including slotted, cup point, half-dog point, and flat point.
Slotted set screws are the most common variety, as they feature a slot at the tip of the screw head for driving with an Allen wrench.
Cup point set screws feature a cup-shaped indentation at the tip, which helps them grip more securely into the fastened part.
Half-dog point set screws have a conical shape at the end for more secure holding power.
Flat point set screws are designed for more light-duty applications, as they provide less gripping power than other varieties. These are all on our list of the different types of screws in the market.
11. Mating Screws
Mating screws, also known as coupling screws, are used to join two pieces of material together. These screws are very similar in design and purpose to traditional set screws.
However, they feature a cylindrical end with a larger head diameter than other types of screws.
Mating screws are ideal for joining two objects with small clearances between them since the smaller head size allows for a much tighter fit.
Additionally, the cylindrical shape of the mating screw head provides extra surface area for a secure connection between materials. There are still more different types of screws coming up!
12. Flat Screws
Flat screws are a common type of screw that is easily recognizable due to their flat head and the slot across the top.
These screws are commonly used for woodworking, furniture assembly, and general construction tasks.
These screws are on our list of the different types of screws in the market. They have a large bearing surface and can provide great holding power in soft materials like wood.
They are also highly corrosion-resistant, which makes them suitable for outdoor applications.
13. Raised Screw
Raised screws are designed to offer a greater height, allowing them to be used in applications that require additional clearance.
These screws are usually made from high-grade steel and feature a countersunk head. This means they are ideal for woodworking, carpentry, and other applications requiring a flush-fitting screw head.
Raised screws can also be used with thin or thick materials, depending on the head size and thread size of the screw.
Additionally, raised screws come in various sizes and lengths, so you can choose the one that best suits your needs. Raised screws also have several advantages over other different types of screws.
For example, raised screws have a greater tread depth, which makes them ideal for use in hard materials such as brick, concrete, and metal.
Furthermore, raised screws are less likely to vibrate loose when being driven into a material.
Finally, these screws offer more stability and support than other types of screws because they have a greater surface area and deeper threading.
14. Bugle Screws
Bugle screws are fasteners with a head that is flat and countersunk, while the shank is tapered like a bugle.
These screws feature deep threads that allow them to provide an extremely strong grip on two materials when tightened.
Bugle screws are used in many applications, such as furniture assembly and woodworking projects. They are often made from stainless steel for increased durability and strength.
Equally important to note, they are not left out of this list of the different types of screws you should know.
15. Binding Screws
Binding screws are a type of fastener that is designed to hold two items together securely.
They are generally used for electrical, plumbing, and mechanical applications.
Binding screws, which are also one of the several different types of screws, come in various sizes and shapes.
These screws have a thicker thread than standard screws and usually have a countersunk head.
The head allows flush seating in the material, allowing for a secure fit without compromising the item’s structural integrity.
Binding screws are often used when making assembly line products where a secure bond is necessary.
16. Domed Screw
A domed screw is a specialized fastener with a raised, rounded head and typically a flatter shank than a standard machine screw.
This type of screw is ideal for applications where the head must be hidden or recessed. The head is designed to fit into a hole to be used as an anchor point or stop.
Domed screws are commonly used in furniture and cabinetry applications, providing a secure and aesthetically pleasing fastening point.
They are also often used in automotive applications, as they provide a reliable hold without protruding above the material’s surface.
Domed screws can be made of various materials, including stainless steel, brass, and aluminum.
17. Flange Screw
Flange screws, also known as tapping screws or type A screws, are a type of self-tapping fastener with a flat head and a wide, flat base.
The flange acts as its own washer, preventing the screw from turning when it is tightened into place.
This makes flange screws especially useful for joining two pieces of material where a washer may not be practical.
The wide base also ensures a tight seal, making flange screws an ideal choice for applications that need to be water or air-tight. It is on this list of the different types of screws and cannot be sidelined.
18. Truss Screw
Truss screws are designed for use in applications where a high degree of strength and security is required.
These screws have a low-profile head and a deeply recessed socket, making them ideal for creating tight joints.
They also have a built-in washer that provides extra stability, making them suitable for heavier items or larger projects.
They are usually made from stainless steel, brass, or aluminum and are available in different sizes and finishes.
They are most commonly used in the construction and engineering industries but can also be used in other fields.
Truss screws are also known for their versatility, as they are compatible with soft and hardwoods.
They provide superior holding power and require little installation effort, making them an easy choice for many projects.
Furthermore, they provide superior corrosion resistance compared to other types of screws. This means they can withstand harsh environments with ease.
19. Phillips Screw
Of the different types of screws, Phillips screws are one of the most popular and widely used.
These screws are designed with a cross-shaped head and are used in many different applications.
They are ideal for woodworking, automotive, and general construction projects. Phillips screws are easy to use and provide a secure hold.
The advantage of using Phillips screws is that they can be driven in with a power screwdriver or a regular Phillips screwdriver without needing pre-drilling holes.
Phillips screws are available in various sizes and lengths, making them suitable for many different types of projects.
20. Eye Bolts
Eye bolts are one of the most common on this list of the different types of screws used in construction and industry. They are designed to securely attach a rope, cable, or chain to a structure or object.
Eye bolts are easy to install and feature a looped design that provides maximum strength and durability.
They are perfect for use in harsh weather conditions and can be used in various applications, including rigging, hoisting, and mooring.
These bolts can also be used as anchors when installing railing or decking. Eye bolts are available in various sizes, materials, and finishes, making them suitable for any job.
21. J-Bolts
J-bolts are commonly used in masonry projects and are an important part of the fastening process. These bolts have a J-shape that is designed to anchor itself into a wall or other surface.
These bolts come in various sizes and materials, making them suitable for various applications. They are often used in brickwork, stone masonry, and concrete construction.
When installing a J-bolt, it’s important to ensure that it is tightened properly and the hole it is placed in is the correct size for the bolt. This will ensure that the bolt is secure and will not become loose over time.
22. U-Bolts
U-bolts are one of the most common types of screws used in various applications. U-bolts are commonly used to secure metal and wooden posts, poles, and beams to concrete, brick, and other masonry materials.
These bolts are cylindrical rods with a thread on one end and a bend in the middle. The threaded end is screwed into the masonry material while the other, bent in a “U” shape, is used to hold the post or pole in place.
U-bolts can be used for various applications, from securing structural components to anchoring equipment.
They are typically made from steel or stainless steel, although other metals can also be used depending on the application.
U-bolts come in various sizes and lengths, so it’s important to know the size and type you need for your project.
Different nuts and washers may also be required depending on the application. When installing a U-bolt, be sure to use a wrench or socket to tighten the nut on the end of the bolt.
This will help ensure that the bolt is securely fastened and that the post or pole is firmly in place.
With proper installation, U-bolts, one of the different types of screws, can provide a strong and reliable connection for your project.
23. Shoulder Bolts
Shoulder bolts, also known as stripper bolts, are a type of screw with a cylindrical shoulder extending from the middle of the head.
The shoulder provides support and spacing between components in various types of machinery and equipment.
These screws are often used in automotive applications to secure components such as brake pads, fuel tanks, and transmission gears.
They are typically made of steel and can be heat-treated for additional strength. Shoulder bolts are also widely used in furniture construction and other woodworking projects.
24. Elevator Bolts
Elevator bolts are a unique type of fastener with a small, cylindrical head and threads that run along the shank.
Unlike other screw types, elevator bolts have their threads on the underside of the head instead of running down the length of the shank.
They are used primarily in the elevator industry to attach metal parts together, such as steel plates and shafts.
The threads on the underside of the head prevent the bolt from spinning while being installed, making them ideal for tight, precise applications. If you want to know more about the different types of screws, read on!
25. Sex Bolts
A Sex bolt, also known as a Chicago screw, is a type of fastener that is composed of two pieces: a screw and a female mating part.
It is a specialized screw with a barrel-shaped threaded end that inserts into an internally threaded sleeve or nut.
Plus, it provides a secure way to attach items such as leather, metal, wood, and plastic together without the need for welding or gluing.
Sex bolts are popularly used in manufacturing and construction and are particularly useful for removable parts and panels.
This list of the different types of screws is definitely not complete without the Sex Bolts.
26. Hanger Bolts
Hanger bolts are a type of threaded fastener with a unique double-ended design. They are composed of two machine screws threaded together with a solid shank in the middle.
One end of the bolt has a wood thread, and the other has a machine thread. These bolts are commonly used for securing items like hinges, brackets, and window frames to wood surfaces.
They can also be used in other materials such as sheet metal, plastics, and composites.
Hanger bolts provide strong holding power and are great for applications that need both wood and machine thread fasteners.
Their dual-ended design makes hanger bolts highly versatile and can be used in many different projects.
27. Decking Screws
Decking screws are a fastener to connect wood pieces, such as planks and joists, when constructing a deck.
These screws are made with a larger diameter than most traditional screws. They feature a wide, sharp thread that makes them very effective at gripping onto wood surfaces.
Decking screws are typically galvanized or coated with corrosion-resistant material to protect them from rust.
As one of the different types of screws, they also come in various sizes and lengths to accommodate different decking needs. These screws come in both Phillips and square drive varieties.
Phillips head screws require a special screwdriver bit to use, while the square drive variety can be driven using a standard screwdriver.
Decking screws can be tightened by hand with an adjustable wrench or a power tool such as a drill or impact driver.
For added security, it is recommended to use a nut on the back side of the screw to ensure it stays securely in place.
28. Thread-Rolling Screws
Thread-rolling screws, also known as thread-forming screws, are designed to create threads in pre-formed or untapped holes.
The difference between thread-rolling and thread-cutting screws is that the thread-rolling screw cold forms the threads rather than cutting them.
This type of screw is ideal for applications that require a tighter fit and increased load-bearing strength because it has greater thread depth than other different types of screws.
Thread-rolling screws are typically made of a softer material, such as brass or aluminum, which allows them to be cold-formed in a single operation.
Thread-rolling screws come in various sizes and shapes, including pan head, oval head, round head, truss head, and flat head. They can also be used for soft materials such as plastic, wood, and light alloys.
In addition, they are commonly used for electrical and mechanical applications, as well as construction and assembly tasks.
Thread-rolling screws are ideal for applications that require fastening without the need for tapping the hole. Want to know about other different types of screws? Continue reading!
29. Weld Screws
If you want to know the different types of screws available in the market, then here’s another one. Weld screws are ideal for use in metal, plastic, and even wood applications.
This type of screw is designed to be welded onto the surface to provide a secure and permanent attachment.
Weld screws have a self-tapping thread design that can be used on any surface, including sheet metal, steel plates, aluminum, and even plastic. The screw head is usually round with either a slotted or Phillips drive.
Weld screws are a great way to add extra strength and stability to any project while still providing easy installation.
30. Raised or Slotted Cheese Screw
Raised or Slotted Cheese Screws are one of the unique different types of screws available and are used in many industrial applications.
These screws are designed with a raised head which helps them to secure materials together more firmly than regular screws.
They also have a slotted head that helps to make installation easy, even in hard-to-reach places. Their main advantage is creating strong, permanent bonds between objects.
Raised Or Slotted Cheese Screws are ideal for use in woodworking projects, furniture making, and any project where high levels of strength and durability are needed.
31. Fillister Head Screws
Fillister head screws are a type of fastener designed to provide a strong and secure hold.
The name is derived from the fact that these screws have a slightly recessed head with a round shape, resembling a small fillister plane.
These screws are typically used in tight spaces or where an aesthetically pleasing look is desired.
They provide a secure connection, which makes them ideal for use in many industries, including automotive, construction, manufacturing, and even aerospace.
Fillister head screws are different types of screws that come in various sizes and materials to fit any application.
They can also be used for decorative purposes due to their sleek design. In terms of performance, fillister head screws offer high resistance to shearing and stripping.
Their low profile head allows them to be used in tight spaces without interfering with other components.
As well as providing a secure hold, these screws can also be used to add aesthetic appeal.
Additionally, the self-countersinking feature of these screws ensures that they are flush with the surface, providing a seamless finish.
32. Drywall Screws
Drywall screws are self-tapping screws designed for fastening drywall sheets to wooden or metal studs.
They have a bugle head, meaning the screw head is slightly rounded and countersunk for a flush finish.
The length of drywall screws depends on the thickness of the drywall and the material behind it but generally ranges from 3/4″ to 3 1/2″. The most common type of drywall screw has an 8 gauge shank and a #2 Phillips head.
Drywall screws are made from hardened steel, giving them a long life and helping them to hold securely into place.
They have sharp points that bite into the drywall and create their own hole when driven in. With the right installation technique, they can provide a strong and durable fix that will last.
Drywall screws also require less effort when driving them in, as they don’t need to be pre-drilled like other different types of screws.
33. Self-Tapping Screws
Self-tapping screws are used in many applications and are available in various sizes, shapes, and materials.
These screws feature sharp cutting edges at the tip, allowing them to bore into the fastened material.
They are different types of screws and are great for making quick and easy connections without pre-drilling holes.
In addition, they are often used in applications such as door hinges, cabinetry, window frames, and more.
Self-tapping screws can also be used in various materials, including wood, plastic, and metal.
When choosing the correct self-tapping screw, it is important to consider the material used, its thickness, and the type of drive that will best fit your needs.
Self-tapping screws are typically categorized into two types: thread-forming screws and thread-cutting screws.
Thread-forming screws are designed to create their own threads in softer materials such as plastic or wood.
These types of screws require less torque and can be installed with a simple hand tool or drill.
Thread-cutting screws, on the other hand, are designed to cut threads in harder materials such as metal or aluminum. These screws need more installation torque and should always be paired with a drill bit.
When choosing the right self-tapping screw, it is important to consider the type of material it will be used in, the size of the screw, and the type of drive that best fits your needs.
This way, you can ensure that you use the most appropriate screw for the job. We are gradually approaching the end of this list of the different types of screws.
34. Framing Screws
Framing screws are a type of fastener used to secure two pieces of wood together. They are usually made of steel and feature a pointed tip that is designed to penetrate wood easily.
They also feature a larger head size, which helps to provide a higher degree of holding power.
Framing screws are available in coarse and fine threads and come in various lengths depending on the application.
They are often used for framing walls, doors, and window frames and for construction projects that require strong and secure joints.
35. Tamper-Resistant Screws
Tamper-resistant screws are designed to prevent tampering and removal in the last spot on this list of different types of screws.
They are often used in security, safety, and inspection applications where authorized personnel only allow access.
Tamper-resistant screws have a special head design that can only be opened with a special tool, making it almost impossible to open them with standard tools.
This type of screw is available in many different sizes, materials, and head designs, so it can be used in almost any application.
Tamper-resistant screws are made from high-grade steel or other metals for long-lasting use.
They can also be coated to provide additional protection against corrosion. The head design is typically a Phillips, Pozidriv, or Torx style for easy installation and removal.
When selecting tamper-resistant screws, it is important to choose the right size, material, and head design for the application.
This will ensure maximum security and prevent tampering or removal by unauthorized personnel.
Conclusion
Screws are a fundamental component of many DIY projects, repairs, and renovations.
They come in all sorts of shapes, sizes, and materials, making it difficult to know which type of screw to use for a particular job.
We have discussed the different types of screws, their uses, and how to choose the best type for your project.
We expect by now, you will know everything you need about the different types of screws and how to use them correctly.
