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What is a screwdriver? What’s the use? Common types of screwdrivers?

December 23, 2023 by admin Category: Tech

You are viewing the article What is a screwdriver? What’s the use? Common types of screwdrivers?  at Tnhelearning.edu.vn you can quickly access the necessary information in the table of contents of the article below.

If you still do not know what the use of screwdrivers is, or what they are often used to repair and support, let’s find out through the information in the article below of Tnhelearning.edu.vn!

Table of Contents

  • What is a screwdriver?
  • Uses of screwdrivers
  • Structure of a screwdriver
  • Types of popular screwdrivers today
  • Instructions on how to choose to buy screwdrivers
  • Instructions on how to use a screwdriver

What is a screwdriver?

The screwdriver is one of the hand tools that almost appear in every household. This product has a relatively simple structure consisting of 3 parts: the handle, the shaft, and the screw head so that the user can insert the screw head and proceed to screw it.

In English, screwdrivers have an international name, screwdrivers, which comes from screw – screw and driver – driver, control. That is, a tool to control bolts and screws. Its main use is to tighten or remove screws.

What is a screwdriver? What’s the use? Common types of screwdrivers?

Tolsen 20033 7 in 1 automatic screwdriver set is easy to use

Uses of screwdrivers

Screwdrivers often have the following common uses:

  • Support maintenance work, maintenance of machinery equipment, laptops, phones, electronics, …
  • Support to repair electrical panels, electrical outlets, light switches and household electrical appliances.
  • Helps to unscrew screws and screws on motorcycles and bicycles.
  • Helps to disassemble furniture such as beds, cabinets, tables, chairs.

Bộ tua vít 6 in 1 Crownman 0606001 hỗ trợ các công việc bảo trì, sửa chữa máy móc

Crownman 0606001 6-in-1 screwdriver set supports maintenance and machine repair work

Structure of a screwdriver

Basically, all screwdrivers have 3 main parts: screw head, screwdriver shaft, screwdriver handle. To learn more about screwdrivers, we will learn about the structure of screwdrivers in the following section.

Head screw

This is the part that is in direct contact with the screw heads and at the same time performs the force actions for screwing and screwing.

The screw head will be made from hard metal that is resistant to friction, as well as effective against wear. Depending on the needs of use, users can choose a 4-sided round head screwdriver, or a 2-sided flat head screwdriver.

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In order to facilitate manipulation and avoid the situation of screwing and falling, today’s screw heads are often magnetized to be able to attract screws.

In addition, the screw head is often sprayed with a dark coating to improve contrast to make it easier for users to see when performing repairs.

Bộ tua vít Tolsen 20182 (2 cây) gọn nhẹ, dễ dàng cầm nắm

Tolsen 20182 screwdriver set (2 pieces) is compact, easy to hold

Screwdriver shaft

The spindle part of the screwdriver is usually machined with hardened steel to resist bending or twisting.

This part is usually made into a round or hexagonal shape. In addition, the screwdriver body is also covered with an anti-oxidation and anti-scratch coating.

Some common types of screwdrivers on the market today:

  • Short-shank screwdrivers (about 25mm in length), about 400mm long are often used to operate in difficult positions, narrow slots or screws deep under the product surface.
  • The screwdriver body has different lengths or lengths (between 25 and 400mm ). The diameter of the screwdriver body is also quite diverse, can be suitable for many narrow positions or can even screw small screws and need high precision.
  • Precision screwdrivers have a body length of about 2.5mm , made from hard metal that can be used to catch small, high-precision screws. Often used to tighten and remove screws in electronic devices, glasses.

Bộ tua vít mini Tolsen 20181 (2 cây) có kích thước PH2 x 38 mm

Tolsen 20181 mini screwdriver set (2 pieces) with size PH2 x 38 mm

screwdriver handle

The handle of the screwdriver usually acts as a fulcrum to help the user’s hand grip to exert force on the screwdriver to create screwing and screwing operations.

Some common types of screwdriver handle materials today:

  • Wooden screwdriver handle: The design of the wooden handle will significantly increase the friction with the handle so that the user can hold it firmly, without slipping.
  • Screwdriver with spring closing handle: With this type of screwdriver body, the body can be rotated 12 degrees clockwise. This type of screwdriver makes it easy for users to remove screws without using too much force to twist the screwdriver handle.
  • Screwdriver with a gear system: With a relatively special structure, this tool makes the user’s actions to tighten and remove screws simpler.
  • Screwdriver with handle made from recycled plastic: This is a screwdriver whose handle is made of recycled plastic material to be environmentally friendly.
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Types of popular screwdrivers today

Flat head screwdriver

As the name implies, this type of screwdriver has a flat head and is also known as a 2-sided flat screwdriver .

This type of screwdriver is often used to screw screws that have only a single slot on the head.

Again, this screwdriver is divided into 2 types: keystone and cabinet . In particular, the keystone will have a wider flat head and is often used in the production or processing of wood products.

Loại tua vít keystone có phần đầu dẹt được sử dụng trong quá trình chế tác gỗ

Keystone screwdrivers with flat heads are used in the woodworking process

Phillips screwdriver

Phillips screwdriver is also known as a 4-sided screwdriver or a star flower head. This type of screwdriver has a round tip design and is divided into 4 sides thanks to 2 diagonal lines that meet at a 45-degree angle at the tip.

Tua vít hình đầu khế

Pozidriv . screwdriver

At a glance, it is easy to confuse this type of screwdriver with a Philip screwdriver, but in reality, they are completely different. The 4-sided tip of the Phillips screwdriver has a steady tapering direction, and with Pozidriv, it is 2 perpendicular diagonals .

This type of screwdriver is commonly used in European countries, it has the ability to prevent slipping during screw tightening, so it is used when a large screw torque is required, extremely effective.

Tua vít Pozidriv

Robertson screwdriver

Robertson screwdrivers are also known as square head screwdrivers . The international name of this device is named after its inventor.

This type of screwdriver is designed with a square tip, so that it can eliminate the sliding effect during tightening and unscrewing of screws.

The forward taper shape makes the screwdriver like a lock. This type of screwdriver was used for the first time in the Ford car industry.

Tua vít Robertson (Vuông)

Torx . screwdriver

This is a specialized screwdriver in auto repair or assembly workshops. The head of this tool is designed similar to a 4-sided screwdriver, but the only difference is that this type is divided into 6 edges .

This type of screwdriver has a low radial force so that the tool life is also longer, and with this design it can overcome slippage even in cases of high speed and torque. big.

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Tua vít Torx

Hex screwdriver

The name already speaks for its special shape. This type of screwdriver is only used for hexagonal bolts.

With this design, almost when using a hexagon screwdriver, users will not encounter slippage during the screwing process. At the same time, the process of screwing or bolting will also be faster in production.

Tua vít lục giác

Instructions on how to choose to buy screwdrivers

To be able to buy the right screwdriver for your needs, you should determine in advance what size the screw head you need to handle is so that you can choose the right product.

The bake screwdriver has 5 common head sizes : #0, – #1, – #2, – #3, – #4, – #5 (ordered from small to large). In which #1, – #2, – #3 are common sizes of bake screwdrivers.

At the same time, depending on your screw handling requirements in the space environment, choose a screwdriver with a reasonable length. Clearly identifying these factors to save time as well as the cost of buying tools for you.

Kích thước tua vít

Instructions on how to use a screwdriver

To be able to use screwdrivers effectively, you can refer to the following steps:

  • Step 1: Bring the screwdriver towards the head of the screw bolt so that the edges of the screwdriver and the edge of the screw are snug. It is recommended to choose the right size for the screw to avoid slipping or breaking the screw head
  • Step 2: Press the screwdriver on the head of the screw with a moderate force to create a grip between the two contact heads.
  • Step 3: Proceed to rotate the screwdriver clockwise to tighten or counterclockwise to remove the screw from the surface to be treated.

Sử dụng tua vít

Above is an article about what screwdrivers are, what are their uses and common types of screwdrivers today. Hopefully from the above advice, you can choose to buy screwdrivers more easily!

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