Standard (also known as flathead) & Philips. You use the type (there are many more) that match the slots in the screws that you are using.
Screwdrivers can be categorized by their tip type, including flathead (slotted), Phillips, Torx, and hex. They can also be named based on their size, such as precision screwdrivers for small screws or larger, heavy-duty versions. Additionally, there are variations like electric screwdrivers and ratcheting screwdrivers, which offer specific functionalities. Lastly, some screwdrivers are named based on their intended use, like cabinet screwdrivers or jewelers' screwdrivers.
Screwdrivers are classified based on their blade types and the types of screws they are designed to drive. The most common classifications include flathead (or slotted), Phillips, Torx, and hex screwdrivers. Additionally, they can be categorized by size, handle type (e.g., electric or manual), and material. Each type is suited for specific applications, depending on the screw design and the torque required.
There are more than two types, but the main categories are flat head and cross/star screwdrivers. Actually, there are four: flathead or standard, phillips head, hex or Allen head, or Torx or star head. Torx/star head and Allen/hex head fasters are more often than not bolts, differentiated from screws, but there are a number of different styles of actual screws that are manufactured for these two bits as well.
The two most common types of compressors are the positive-displacement and the velocity or dynamic.
The two types of law are common and statutory.
Many sizes of screwdrivers are included in a standard screwdriver set. The sizes range from half an inch up to two inches. One can buy individual screwdrivers as well.
The two most common blood types in the US are O positive and A positive.
The two most common triads are the Major and the minor triad. The other two types of triads are diminished and augmented triads.
The two types of law are common and statutory.
Common and Prefered
amoeba and paramecium are two common types of protozoan