The Ultimate Guide to Different Types of Screwdrivers and When To Use Them

Screwdrivers are essential tools used for driving or removing screws. They come in various types, each designed for different screw head types and applications. Here are some common types of screwdrivers:

1. Flathead Screwdriver

A flathead screwdriver, also known as a slotted screwdriver, has a flat, straight tip that fits into a slotted screw head. It is the most basic type of screwdriver and is used for driving or removing screws with a single straight slot on top.

2. Phillips Screwdriver

A Phillips screwdriver has a cross-shaped tip with a point in the center and two perpendicular blades. It is designed for driving or removing screws with a cross-shaped indentation on the head, known as a Phillips head. Phillips screwdrivers come in different sizes, denoted by numbers such as #0, #1, #2, and #3, to match various screw sizes.

3. Pozidriv Screwdriver

A Pozidriv screwdriver is similar to a Phillips screwdriver but has additional smaller cross points between the main cross slots. It is used for driving or removing Pozidriv screws, which have a cross-shaped indentation with extra points. Pozidriv screwdrivers are commonly labeled with the letters “PZ” followed by a number to indicate the size.

4. Torx Screwdriver

A Torx screwdriver has a six-point star-shaped tip and is used for driving or removing Torx screws. Torx screws have a corresponding six-point star-shaped recess on the head. Torx screwdrivers are labeled with a size number or denoted by the letter “T” followed by a number, such as T10, T15, T20, and so on.

5. Hex Screwdriver (Allen Key)

A hex screwdriver, also known as an Allen key or hex key, has a hexagonal-shaped tip. It is used for driving or removing screws with a hexagonal recess on the head, known as a hex head. Hex screwdrivers are available in various sizes, typically measured in millimeters or inches, to match the corresponding hex screw size.

6. Robertson Screwdriver

A Robertson screwdriver, also called a square drive screwdriver, has a square-shaped tip. It is used for driving or removing screws with a square-shaped recess on the head, known as a square head. Robertson screwdrivers come in different sizes denoted by numbers, such as #1, #2, and #3, to match various screw sizes.

7. Specialty Screwdrivers

There are also various specialty screwdrivers available for specific applications, such as tri-wing screwdrivers for electronics, spanner screwdrivers for security screws, and many others. These screwdrivers are designed to match unique screw head types and are used in specific industries or tasks.

These are some common types of screwdrivers, each suitable for different screw head types and applications. It’s important to use the correct type and size of screwdriver to avoid damaging screws or stripping their heads.