26 Types of Screws and Their Uses: Having ever attempted to put up any piece of furniture, or to make a cabinet, or to mend anything in the house, you have, most likely, used a screw. The screw type is one of the most popular fasteners in homes, construction and in machinery. Nevertheless, most individuals are amazed to read that there exist dozens of various types of screws, and each of them has been created to meet a particular purpose.
Making the correct screw selection can make your work more hassle free, safer and more enduring. Being a DIY enthusiast, homeowner, or a hobbyist, having knowledge about the various types of screws will enable you to work on the project with a lot of confidence.
What Is a Screw?
A screw is a metal fitting, sharp tipped, spiral threaded fastener. It is employed to ensure that two or more objects are kept together.
Screws, as opposed to nails, are to be twisted into materials with a screwdriver or a screwdrill. As the screw turns its threads cut through the material and provide a powerful grip.
A lot of the screws are self-threading; that is, when they are inserted in any type of material, such as wood, metal, or even plastic, they form internal threads by their own.
Screws are available in various sizes, shapes and designs according to their purpose of use.
Main Parts of a Screw
It is also easier to know which type of screw you should use in your project by understanding its components.
1. Drive
The slot or the shape of a screw head on which a screwdriver fits is referred to as the drive. An example of these is Phillips, flathead, and hex drives.
2. Head
The screw is the upper part of the head. It gives the face upon which the tools can be secured to tighten or loosen the screw.
3. Threaded Shank
This is where the spiral thread is found on the screw. The strings assist in the clinging of the substance.
4. Non-Threaded Shank
Others are screws that are smooth with no threads. This section assists in tightening the materials.
5. Thread
The spiral ridges of the screw are known as threads. The distance between them is referred to as thread pitch.
6. Thread Length
The threads may be on all of the shaft or not.
7. Tip
The tip is the sharp end that is inserted first in the material.
8. Crest
The upper surface of the thread constituting the outer diameter of the screw is called the crest.
9. Screw Thickness
The thickness is the diameter of the screw, which influences the strength and holding capacity.
26 Common Types of Screws
These are some of the most common screws used in the construction, engineering and the household work.
1. Carriage Bolts
Wood to metal connector or metal to metal connector, having a rounded mushroom-shaped head.
2. Decking Screws
It was created to be used on decks outside and wooden buildings. They are corrosion and moisture resistant.
3. Double-Ended Screws
These screws are threaded on both ends and they are employed to join two pieces of the wood in an invisible manner.
4. Drywall Screws
Usually applied to drywall panels in order to fix them to wooden or metal studs.
5. Eye Bolt Screws
These screws have a looped head applied in the process of fixing ropes or cables.
6. Framing Screws
Applied in construction work Framing and construction.
7. Fillister Head Screws
These screws are deep-headed screws and commonly find use in machines and automobiles.
8. Hex Cap Screws
They are commonly used in the construction of heavy structures which can be recognized by their six sided heads.
9. Hammer Drive Screws
It is installed with a hammer instead of a screwdriver.
10. Lag Screws
Massive and bulky screws in the connections of wood structures.
11. Machine Screws
Screws used to secure machine parts and metals.
12. Masonry Screws
Coated to be used on concrete, brick and stone.
13. Oval Head Screws
These are decorative finishes and frequently applied in visible installations.
14. Pan Head Screws
Plateau screws are utilized in the attaching of metal materials.
15. Particle Board Screws
Should be used with engineered wood such as particle board.
16. Square Head Bolts
These are wrenched with round heads.
17. Self-Drilling Screws
These screws create their own hole thus removing the pre-drill process.
18. Set Screws
Attached to allow objects such as gears or pulleys to stay in a shaft.
19. Shoulder Screws
Used in the applications where rotation or movement is needed.
20. Sheet Metal Screws
The metal sheets are intended to be attached to each other.
21. Socket Head Screws
These are of a cylindrical shape and must be tightened using Allen keys.
22. Thread Cutting Screws
Applied on harder materials, where the threads have to be cut on installation.
23. Washer-Faced Screws
These are a washer surface that is equally distributed on pressure.
24. Wood Screws
Particularly intended to unite wood materials.
25. Weld Screws
These screws are weldable on metal surfaces and they are applied in industrial production.
26. Tamper-Proof Screws
Security screws are used to ensure that they are not removed by unauthorized personnel.
The Importance of Selecting the Right Screw.
When the screw type is chosen correctly it will guarantee:
- Stronger connections
- Longer-lasting structures
- Better safety
- Professional-quality results
The wrong screw can result in poor joints or material injuries.
Frequently Asked Questions (FAQ)
Which is the most frequently used screw?
Other types of screws that are commonly used in doing household projects are wood screws and drywall screws.
What is the definition of self-drill screws?
The tip of self-drilling screws is drill like or shaped and therefore drills its own hole during installation.
Which screw is the most suitable one in concrete?
The masonry screws are which are intended to be used on concrete and brick surfaces.
What are the types of the heads of screws?
Various tools have different levels of torque because they have different head shapes that will fit the screw.
Are there nails that are stronger than screws?
Screws are more effective in holding material as in most instances, their threads hold materials more firmly than the nails.
Disclaimer: The article is informative and educative in nature. The types of screws used can be different depending on the material used, load requirements and project specifications.
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