A screwdriver is a tool that is in every home. A versatile tool that is provided by a large number of tips. Often there are dozens of different tips in screwdriver kits for all occasions. About which tip is better for which case of life, this article.
Phillips, flat head and hex screwdrivers
Standard screwdrivers are the most common types. They are designed for self-tapping screws and screws for which there are no special requirements.
crosshead screwdriver... Phillips screwdriver is the most popular type. Suitable for most self-tapping screws and screws. It is marked with letters PH and a cross. There are several sizes of the cross. The smallest has number 000. Screws of this type are used in mobile phones, cameras, etc. This is followed by # 00, # 0, # 1, # 2, # 3 and # 4. The most commonly used is # 2. The tip of such a screwdriver is usually magnetic. When repairing large equipment, for example, cars, use No. 4.
Screwdriver PZ... This is a modification of the previous type, it is also called Pozidriv. See the photo below (PZ - on the right) for how the fasteners and a screwdriver look like. This is for better adhesion of the fastener to the tip. It is used for fasteners with a deep slot, which is used in the assembly of furniture and in the installation of various structures made of wood, plasterboard, aluminum profiles.
Flat screwdriver... Designed for flat slot type. Designed for tightening screws and screws. Historically, this is one of the very first types that are still widely used in everyday life. Flat screwdrivers are marked according to the width of the tip. The slot width varies mainly from 1 to 10mm.
Hex screwdriver. These screwdrivers are designed for hex-head fasteners. They are also called inbuses. Usually these are L-shaped bent rods with different sizes of a hexagonal section. Such tools have a large torque, which is an order of magnitude higher than the torque of a Phillips screwdriver. They are used for the repair of electrical equipment, as well as for loosening fasteners on objects under voltage. Hex screwdriver markings are HEX. Rarely used square screwdrivers have the same markings.
Torx. This is how screwdrivers are marked, the tips of which have a cross-section in the shape of a six-pointed star. Fasteners with such a slot are used in the assembly of cell phones and other electrical equipment. The scope of use is quite narrow - specialized service centers and repair shops.
Special screwdrivers
These screwdrivers are used for self-tapping screws and screws, the use of which has special requirements. For example, such as anti-twist protection or high tightening forces in a compact head. Most often they are used for professional installation of various products of the mechanical engineering and electronic industries.
- Torx with pin... This is a TORX modification that has a pin in the center.
- Torq... Marked as Torq-Set. It has an asymmetric cross-section and is used only in the aircraft industry. The main advantage of this screwdriver is the strong tightening of the screw.
- Tri-Wing... Trefoil-shaped section. It is used in the aviation industry and in the installation of electronic products.
- Spanner... Spanner is also called a two-pin screwdriver. It is used for the installation of elevator structures, where vandalism protection is also required.
