This kind of screwdrivers is used for components assembly / disassembly while repairing small devices and gadgets, such as watches, cell phones, cameras, portable computer devices and tablet PCs, music players, video games and other electronics. Screwdrivers with particularly precise tips, specially sharpened for exact matching the screw heads of small and very small sizes are called precision screwdrivers.
All the screwdrivers in the series are made of Ni-Cr-Mo steel and have an oxide tip. Here is a table of the most commonly used screwdrivers. It can be turned with an adjustable wrench, combination wrench, and 6- or 12-point sockets. The most common external drive is a hex screw. There are also several external drives characterized by a female tool and a male fastener: square, pentagon and hex. Sometimes also known as "snake eyes" and "notched." Spanner screwdrivers are typically used with electronics, stall doors for restrooms, elevators, trains.
It is a screw with two round holes opposite each other and is designed to prevent tampering. Tri-wing drive sizes are designated TRI000, TRI00, TRI0, TRI1, TRI2, TRI3, etc. In the present day it is usually used on electronics equipment. Nintendo products have featured them in the past, however. There is no family of products that necessarily uses tri-wing screw drives. It is also known as triangular slotted, is a screw with three slotted "wings" and a small triangular hole in the center. Hexagonal-shaped screw that may be driven by a hex key or a hex screwdriver.
Tamper-proof Torx drivers and keys are applicable for unscrewing Torx screws.Ĭommon marking: TxH, where x is a drive size. Tamper-resistant Torx screw with additional protection from unauthorized access designed for applications where tampering could be a problem. Torx drive sizes are designated T1, T2 (or T01, T02) to T55. A popular screw type in the field of electronics industry, for operation with automotive items and other applications. Pozidriv sizes are also similar to the Phillips ones.Ī hexalobular socket screw drive or a star drive uses a star-shaped recess in the fastener with six rounded points. The design is similar to Phillips screw, however it includes 4 more contact points. Phillips drive sizes (different from the screw size) are designated 0000, 000, 00, 0, 1, 2, 3, and 4 (by order of increasing size). One more extremely popular screw type - a kind of cross-recess screw. However, this screw loses the popularity, as it is the less reliable one - the screwdriver often slips out of the slot, and the chances to damage the screw or the screwdriver are very high.
Original and the most commonly used traditional screw type - it has a single slot in the fastener head. We will have a closer look at the most widely used screw types and screwdrivers fitting them. Usually, the electronic device manufacturers nowadays use the screws of special star-shaped forms, patented as Torx and Pentalobe. Some screwdrivers are designed particularly for portable device repairing (cell phones, smartphones, MP3 players, etc). However, the less common types are more or less typical for a certain field. Most of the common screwdriver types, such as flat-blade and cross-recess, have an extremely wide range of applications. There are plenty of different screw type varieties, and apart from using the traditional slot, new types of screws and corresponding drivers are being invented from time to time.
Never use the screwdrivers inappropriate to the selected type of screws. The most important thing in using a screwdriver is to select the appropriate tip and size to fit the fastener's head. Electric screwdrivers have become a popular type of power tools.
Instead of the handle there might be motorized rotating means to make the task of a person working with the tool easier. Typically a screwdriver consists of two parts: a handle on the one hand and a blade on the other. A screwdriver amplifies the hand's turning motion to the small, specially designed working part (tip or blade) that is inserted into the screw's head. Screwdrivers are the basic tools for rotating screws with special slots of different types in their heads (screwing and unscrewing operations).