How Do I Choose a Good Electric Screwdriver?


When it comes to selecting the right electric screwdriver for your home improvement needs, there are several factors that you should consider. Here’s a comprehensive guide that breaks down the most important factors:

1. Types of projects you’ll be using it for

Consider the type of home improvement projects you commonly undertake so that you can choose the appropriate electric screwdriver. For instance, impact drivers are ideal for heavy-duty and complex jobs, while a standard cordless electric screwdriver is perfect for everyday use, and a drill driver offers better torque control and drilling function. These are the three main types of electric screwdrivers to choose from.

2. Type of screwdriver bit

Different screwdriver bits work for different types of screws and bolts. Ensure that the electric screwdriver you pick is compatible with the screwdriver bits that you need for your particular home improvement project.

3. Torque and speed settings

Adjustable torque and speed settings will enable you to work on different types of materials without damaging the materials or over driving the screws. Consider an electric screwdriver with versatile torque and speed settings, so you don’t have to invest in multiple power tools.

4. Battery life

Choose an electric screwdriver that has a long battery life to ensure uninterrupted workflow, especially if you’re working on a large project.

5. Other features and accessories

Additional features such as LED lights, belt clips, and carrying cases can enhance the functionality of the electric screwdriver. Look out for these features when choosing the best tool for your home improvement needs.

Now, Let’s Explore The Different Types of Electric Screwdrivers:

1. Impact driver: Impact drivers are designed for heavy-duty projects, such as driving long screws and heavy bolts. They utilize impact action to deliver high torque, making it easy to drive screws into dense materials like wood. While they’re more expensive than other types of electric screwdrivers, they’re highly necessary for those tackling challenging and complex projects.

2. Drill driver: Drill drivers can both drill holes and drive screws. They come with an adjustable clutch that lets you set the appropriate torque level, reducing the risk of damaging screws or bolts. They are best suited for moderate reconstruction work.

3. Standard cordless electric screwdriver: The standard electric screwdriver is ideal for everyday use in various home improvement projects. They have sufficient power to drive screws without damaging the materials.

How Much Torque is Good For an Electric Screwdriver?

Understanding the correct amount of torque power required for an electric screwdriver is essential to ensure that you choose the right tool for your job and that your screws are driven in correctly without being damaged or stripped. In this guide, we will discuss how to determine the right amount of torque required for an electric screwdriver.

Common Applications

Electric screwdrivers can be used for a variety of applications, including furniture assembly, woodworking, automotive work, metalworking, and more. The correct amount of torque required for each application will vary depending on the project’s specific needs.

Processes Involved

The torque required for an electric screwdriver is determined by understanding the type and size of the screw being driven, as well as the material it is being driven into. To determine the right amount of torque, you need to consider the screw’s diameter, length, and thread pitch, as well as the material’s hardness.

Relating Torque to Tool Performance

Torque is a crucial factor in determining the overall performance of the electric screwdriver. Insufficient torque may cause the tool to slip or fail to drive the screw properly. Excessive torque can strip or damage the screw or cause the material to break. Selecting the appropriate level of torque is essential to ensure that your tool performs optimally for your application.

Specific Torque Ratings

Most electric screwdrivers come with adjustable torque settings, allowing you to select the appropriate level of torque for your application. Here are some typical torque ratings for different types of projects:

  • Light-duty work: 3-20 Nm (building flat pack furniture, fastening screws into wall plugs)
  • General purpose work: 20-100 Nm (driving screws directly into timber, fastening long screws into wall plugs)
  • Heavy-duty work: 100-250 Nm (driving long 5-inch plus screws into dense timber, concrete or thin sheets of metal, construction type work)

Examples of Torque Too Low or Too High

If the torque rating is too low, the screw may not be driven in correctly, slip, or become loose over time, which may cause issues with safety and stability. Conversely, if the torque is too high, the screw may be stripped or damaged, or the material may break, rendering it useless. It is essential to ensure that the electric screwdriver you select has adjustable torque settings that allow you to adjust the amount of torque based on the specific project requirements.

In summary, selecting the appropriate level of torque is critical in determining the overall performance of your electric screwdriver. Understanding the type and size of the screw and the material’s hardness being driven is necessary to determine the appropriate level of torque. A tool with adjustable torque settings provides the flexibility to select the appropriate level of torque based on the specific needs of the project.

Maintenance and Proper Use

Finally, for prolonged lifespan and optimal performance from your electric screwdriver, ensure you clean the dust and debris from the tool regularly. Store it in a dry place that is easily accessible and charge the battery before every use. Also, remember to regularly inspect the cord and screws to detect any signs of damage that affect the driver’s performance.

By considering the project type, screwdriver bit, torque and speed settings, battery life, other features, and accessories, you can select the best electric screwdriver for your home improvement needs. Remember to maintain and use your electric screwdriver correctly to maximize its efficiency and prolong its lifespan.