The adjustable wrench is referred to as the adjustable wrench, and its opening width can be adjusted within a certain range. It is a tool used to tighten and loosen nuts and bolts of different specifications. Only by understanding the different specifications of the adjustable wrench, can we use this kind of tool better. So today the editor will introduce this problem to you.
First of all, the conventional specifications of adjustable wrenches generally range from 4 to 24”; adjustable wrenches generally use CR-V steel (CR-V, steel is an alloy tool steel with chrome-vanadium alloy elements added, and the hardness after heat treatment is above 60HRC (Rockwell hardness)) , carbon steel, chrome vanadium steel and other materials, the corresponding maximum openings are 1.3, 1.93, 2.4, 3, 3.6, 4.6, 5.5, 6.2 cm.
So, what are the types of adjustable wrenches? The editor has compiled the following for you: For example, the hexagonal wrench (inner hexagonal) (GB5356-85)–nominal size (opposite side size): 2.5 to 36. And flat-shaped screwdriver (slotted screwdriver) (QB/T 2564.4-2012)–Specification (length of rod without handle × diameter of rod): 50×3～350×9. There is also a Phillips screwdriver (Phillips screwdriver) (QB/T 2564.4-2012)–specification (length of rod without handle × diameter of rod): 50×4～400×9.
Of course adjustable wrench (GB/T 4440-2008)–specification (length × maximum opening width): 100×13～600×65; double-ended wrench (double-ended wrench) (GB/T 4388-2008)–specification (Assembly size across sides) 3.2×4～75×80; Torx wrench (GB/T 4388-2008)–Specification (width across sides) 5.5～36. As for the socket wrench (with swivel) (GB3390.2-82) – the specification (width across flats) is 6.3-63, you should also pay attention to these.
The above is the knowledge about the specifications of the adjustable wrench. After reading the content compiled by the editor, do you have a lot less questions in your mind? Every tool has its specific purpose. The editor thinks that we not only need to Know the model specification classification of the tool, but also know the design principle of the tool. Only in this way can we better understand the advantages of each tool with different specifications and models, and can be more handy when using it
