Types Of Screws And How They Are Used
Types of screws tin bear witness useful to learn. Not just will it assist you when picking out screws to use for your project, only it tin likewise help you understand the science of construction a bit better.
Why do some screws work for one project and other screws for some other? If you lot're an inquisitive type so yous have definitely asked yourself a similar question before. Well, today is the day to start learning!
History Of The Original Types Of Screws
The screw was one of the first unproblematic machines that were a combination of other uncomplicated machines. Information technology is said that Pythagorean philosopher Archytas of Tarentum from the 5th century BC is the inventor of the screw.
Nevertheless, the water spiral was invented by Archimedes two centuries after. Information technology likely wasn't until the dawning of Advertizing that a screw that we would recognize today was used. The first screws in this example were wooden.
But still, two thousand years is a long fourth dimension for a uncomplicated car to develop and a long time for information technology to exist in use. Since then, nosotros have had substantial progression but the screw has remained all but the aforementioned.
Screws Vs. Bolts
Screws and bolts are often dislocated for one another but the difference is quite easy to spot. A commodities is a non-tapered fastener and virtually always comes with a washer and nut to secure information technology to the structure.
Whereas a spiral is tapered and can secure a construction without any assistance. It has a sharp bespeak equally well so it can dig into objects that a bolt cannot. Bolts usually need holes drilled into the object before they are bolted in.
Nuts
A nut is a type of fastener that serves no purpose unless used with a bolt. The nut is a band-shaped piece of metallic that screws onto the underside of the commodities to secure it to an item. Basics aren't used if the bottom of the bolt is hidden.
Washers
Washers are flat discs with holes in the heart that piece of work to secure the washer and assist with weight distribution. While they aren't always completely necessary it is recommended to use washers when you employ bolts.
View in gallery Types Of Screws by Purpose
Screws are by and large sorted into either the types of head on the spiral or the purpose of the spiral. We're going to become over them by primarily sporting them by the purpose of the spiral equally this will be the most valuable.
Types Of Screws: Drywall
Drywall screws accept a very specific purpose. They are to be used for drywall and sheetrock alone. These types of screws are always short never exceeding three inches in length because drywall is never very thick.
They are designed to countersink so that they are easy to mud but don't exit a hole in the wall nor tear the paper of the drywall. This type of screw is very easy to utilize and spiral in equally long as they are made for the purpose you are using them for.
Types Of Screws: Wood Screws
Forest screws are shine right under the head and have very coarse threads that let them to give you lot a stable concord of the wood. They are designed to hold boards together past pulling them closer without the head sinking into the forest.
When using wood screws, you want to choose a length that will go about 2/3 of an inch or so into the lesser lath. So if y'all are using two 2×4 boards then a screw that is effectually 2 ane/ii inches should do nicely.
When it comes to width, things are less touchy. Almost screws for wood are effectually the aforementioned width though y'all tin can detect larger screws for sure purposes and tiny screws for trim and molding around doors and ceilings.
Outdoor wood screws are also galvanized to prevent rusting. So if you are doing an outdoor project brand certain yous await for exterior screws.
View in gallery Types Of Screws: Canvass Metallic Screws
Sheet metal screws are used for canvass metal like tin or aluminum. These are used often for roofs and even for siding on occasion. The screws are quite different from standards screws aren't as easy to use.
Sheet metal screws can accept a rounded or flat top with a threaded body, or shank. Unlike wood screws, their threading doesn't terminate, information technology continues all the way upwardly the shank to ensure a secure concord for the metal.
Considering sheet metal is thin and oft attached to some other thin material, sheet metal screws are nigh e'er very short. Sometimes fifty-fifty a quarter of an inch.
Types Of Screws: Deck Screws
Deck screws are a type of wood screws only with distinct differences. They are very long with but about one-half of the screw covered with threads. They are used to attach deck boards to the deck'due south joist.
There is a lot to learn about deck screws because they are and so unique and serve a unmarried purpose. They are made to be used outdoor and often come with a special self-tapping package. Learn more about deck screw hither.
Types Of Screws: Concrete Screws
Physical screws are also known as masonry screws or anchors considering they don't take a pointed tip. While this blazon of screw is considered a spiral it is more like a commodities because it isn't pointed at the end.
You volition demand to drill a hole for the concrete screws before you apply them. This is just like when using a bolt. But the reason y'all need to drill a pigsty is a little different. Information technology is because yous are drilling into physical.
Information technology is very difficult to spiral into concrete so even if you did use pointed screws you lot would yet need to use a drill to drill a hole into the concrete first.
Types Of Screws: Set Screws
Set up screws are very unique screws that look as if they don't take a head nor a place to spiral them in. That's considering they don't have a head and are demand to exist hidden. For this reason, they are non used very often.
They are often used in machines where the screws demand to sink down. They can exist secured with an Allen wrench or a screwdriver. But they aren't every bit piece of cake to concur or secure as other types of screws because they are pocket-size and headless.
Types Of Screws: Machine Screws
Machine screws are oft used in machinery, hence the proper name. They can be found in cars, tools, and electronics. They are very strong and bolt-similar. Though despite popular belief, they tin can have flat heads or rounded heads.
Almost families won't find a use for car screws unless they come in a kit. You won't buy them often unless to replace screws but in that case, you lot should be able to take the cleaved screw in to match.
Types Of Screws: Heads
View in gallery Now that we've gone over the types of screws, information technology'due south time to dig into the head types. Information technology'south important to have the appropriate tool on hand in gild to spiral in your screws properly. Here are the different screw head types.
Standard Types Of Screws
Phillips
The Phillips's caput is the most common blazon of spiral head type. It is used for wood screws, drywall screws, and just nigh any other type of screw in being. Y'all can use a drill or Phillip's screwdriver to secure information technology.
Flathead Or Slotted
The flathead or slotted screw caput needs a flathead screwdriver or drill to secure it. Though it isn't every bit popular as Phillip'south screw head, it is mutual however. They are used to preclude stripping that happens with Phillips.
Other Types Of Screws
Combination
The combination screw head is corking because it lets the user choose whether to apply a flathead screwdriver or Phillip's screwdriver. They are becoming more popular because they are more versatile.
Allen Or Hex
The Allen or hex screw head has a small hexagon slot that you need an Allen wrench to tighten. Ofttimes, machinery or hard-to-reach places will have this type of spiral head considering the Allen wrench can be thin and is bent.
Torx Or Star
The star fleck is also quite popular for drills because it is piece of cake to fit into the bit without stripping the screw. They are common with deck screws and are great for large screws that tin can't use a Phillip's head.
Finding The Right Types Of Screws
Finding the correct screw is easier said than done. Unless you take a lot of experience with the blazon of projection you take, information technology tin can exist hard to find the right one. Luckily, there are but a few things to consider.
The first is safety. It's important that the screw is potent plenty for your project. Especially if it is a production that volition hold weight like a chair, shelf, or of course a house. So brand sure that it tin hold up.
Then, it's important that the screw doesn't stick out the cease, or else it could tab or scratch someone. So make sure the screw isn't too long. You need to get good measurements of your project if you want to get the right screws.
Finally, will the screws be visible? Sometimes, information technology's important that they are while other times you want them as subconscious as possible. If they are visible, then remember that you can get different metallic finishes to suit your tastes.
Source: https://www.homedit.com/types-of-screws/
Post a Comment for "Types Of Screws And How They Are Used"