A screwdriver is a tool specifically designed for tightening screws, used in places with screws and widely used in daily life. A screwdriver is the simplest tool among hand tools, with a blade and a handle, but it is also a revolutionary invention of hardware tools. With development, the styles and specifications of screwdrivers are also diverse, and this article introduces the classification of styles one by one. The style of a screwdriver is generally divided based on the shape of the blade.
Flat screwdriver
One line shape is a very common screw style in daily life, with the blade resembling a single character. English is Slotted Screwdriver.
The specification of a screwdriver is generally the width of the blade x, for example: 3 x 75mm. The width of the blade head is 3mm, and the overall length of the blade is 75mm. But the length of the entire screwdriver is not 75MM, as 75MM does not include the length of the handle.
Another specification representation method is that SL represents a word, and the following number represents the width of the tool holder, such as SL1.5, SL1.7, SL2.5, SL3, etc
The width of the blade is generally 1.5mm, 1.7mm, 2.5mm, 3mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, etc.
The length of the blade is generally 60mm, 75mm, 80mm, 100mm, 150mm, 200mm, 250mm, 300mm, etc.
Cross screwdriver
A cross screwdriver is more common than a straight screwdriver, with a blade groove resembling a cross screwdriver. Cross screwdriver generally has 7 specifications from small to large, with PH000, PH00, PH0, PH1, PH2, PH3, and PH4 representing the cross slot number of the screwdriver head. Also, it is represented by slot number x tool holder length, PH0 x 100MM, which means that the cross slot number is PH0. The tool holder length is 100mm.
The tool holder diameters corresponding to PH000 to PH are 1.5mm, 2mm, 3mm, 4.5 or 5mm, 6mm, 8mm, and 10mm, respectively.
The length of the blade produced by a cross screwdriver is generally the same as that of a single character. Please refer to the above content.
Rice shaped screwdriver
The blade shape of a rice shaped screwdriver is similar to that of a rice shaped screwdriver, also known as Pozidriv Screwdriver in English. The specifications are generally represented by PZ numbers, and commonly used specifications include PZ0, PZ1, PZ2, and PZ. The rice shaped screwdriver is an upgraded version of a cross shaped screwdriver, which can withstand large torque and is not easy to slide. The diameter of the tool holder corresponding to PZ0-PZ3 is the same as the cross diameter, which is 3mm, 4.5 or 5mm, 6mm, and 8mm, respectively.
Star shaped screwdriver
The popularity of star shaped screwdrivers is not as high as that of cross shaped and straight shaped ones, but they are also essential. The notch of the blade is like a star shape, also known as a flower shape.
There is a hole in the middle, but there is no hole in the middle.
The English name is a star shaped screwdriver, a Torx Screwdriver.
The specifications of star shaped screwdrivers are generally represented by diagonal lengths, usually represented by T numbers. Common standards include the following specifications. T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T15, T20, T25, T27, T30, T40, T45, T50, T55, T60, T70, T80, T90, T100, etc.
Internal hexagonal screwdriver
The head of an internal hexagonal screwdriver is hexagonal and has the same shape as the head of an internal hexagonal wrench. The concave shape of the screw head used for disassembly is also known as a hexagon, which is called an internal hexagon screw.
The English name for an internal hexagonal screwdriver is Hexgonal Screwdriver. Therefore, the specifications of an internal hexagonal screwdriver are generally expressed as the length of the opposite side in millimeters. Common specifications include H1, H1.5, H2, H2.5, H3, H4, H5, H6, etc.
Y-shaped screwdriver
As the name suggests, the slot of the Y screwdriver’s blade is shaped like the letter Y, used for disassembling Y-shaped screws. The specifications of a Y-shaped screwdriver are generally represented by the diameter of the blade, usually with a Y before the number. Common specifications include Y1, Y2, Y3, Y4, Y5, Y6, etc.
Square screwdriver
The blade of a square screwdriver has a quadrilateral shape and is used to remove concave screws. In English, it is Square Screwdriver. The specifications of a square screwdriver are generally represented by the opposite margin, with the letter S in front. Common specifications include S2, S2.5, S3, S3.5, S4, etc.
Triangle screwdriver
The shape of the triangular screwdriver blade is a triangle, and triangular screwdrivers are generally represented by the height of the blade triangle. They are commonly used in specifications such as 1.8, 2, 2.3, 2.6, 2.7, and 3. Triangle screwdrivers are not used frequently, making it difficult to buy them in small hardware tool stores. They can be purchased in large hardware tool stores, but some online shoppers believe that purchasing is not a problem.
U-shaped screwdriver
The blade of a U-shaped screwdriver has two protruding ports, like the letter U, and its specifications are generally represented by the distance between the two protruding ports. Common specifications include U1.7, U2.0, U2.3, U2.6, etc. There are not many usage scenarios for U screwdrivers, and bull sockets are more common.
Five pointed star screwdriver
The shape of the five pointed star screwdriver head is a five pointed star, commonly used for Apple phone screws, with common specifications of 0.8, 1.2, 1.6, 2, etc.
Internal cross screwdriver
Compared to a regular cross screwdriver, the cross blade of an internal cross screwdriver is concave and rarely used. The only commonly used specification is the blade diameter of 5mm.
Trident screwdriver
This type of fork is more common than a U-shaped screwdriver and has a lower frequency of use, making it suitable for use on new bull sockets.
In addition to the styles of screwdrivers mentioned above, there are also various styles of screwdrivers. What shapes of screws are there? There are corresponding shapes of screwdrivers. Except for the cross and the letter, the others are commonly referred to as irregular screwdrivers due to their limited usage. When purchasing, you can search for irregular screwdrivers and they should be able to be found. For the convenience of use, there are many products available in screwdriver sets now, including the styles and specifications of the vast majority of screwdrivers.
