Common wrench specifications

A wrench is one of the commonly used hardware tools in maintenance. So, what are the commonly used wrenches in maintenance? FINDER will introduce it to everyone here.
The minimum size of a solid wrench is 4×5 millimeters, the maximum size is 65×75 millimeters, the minimum size of a ring wrench is 8×10 millimeters, and the maximum size is 17×19 millimeters. The adjustable wrench has 4, 6, 8, and 10 inches, corresponding to openings of 1.3, 1.93, 2.4, and 3 centimeters. The common sizes for socket wrenches are 6.3 millimeters, 10 millimeters, and 12.5 millimeters.
box-end wrench
Dimensions (Unit: MM）4×5、5.5×7、8×10、9×11、12×14、13×15、14×17、17×19、19×22、22×24、30×32、32×36、41×46、50×55、65×75。
Some places call open-end wrenches (or dead wrenches), mainly divided into single head and double head open-end wrenches, used to turn nuts or bolts of a certain size.
box-end wrench
Dimensions (in MM) 8×10, 10×12, 12×14, 14×17, 16×18, 17×19.
The plum blossom wrench has working ends with hexagonal or twelve pointed holes at both ends. The plum blossom end is usually used for the initial relaxation and final locking of screws (caps), and is generally used for operations in narrow spaces.
adjustable wrench
Dimensions (in inches) of 4, 6, 8, and 10 correspond to openings of 1.3, 1.93, 2.4, and 3 centimeters.
An adjustable wrench is a commonly used type of wrench with an adjustable opening width within a certain range. It is generally used as an automotive repair tool to tighten and loosen nuts and bolts of different specifications.
socket wrench
There are three types of sizes (in millimeters): large, medium, and small, commonly 6.3, 10, and 12.5.
A socket wrench is generally used to turn bolts or nuts with very narrow or deeply recessed spaces. It is a wrench composed of multiple sockets with twelve or hexagonal holes and equipped with various accessories such as handles and extension rods.
hex key
Dimensions (Unit: MM）2、2.5、3、4、5、6、7、8、10、12、14、17、18、22、24、27、32、36。
An Allen wrench is also a common type of wrench used to tighten hex screws, and all wrench sizes have corresponding screw sizes.
The above are common specifications in maintenance, hoping to help everyone understand more about wrenches.