What is the difference between small, medium, and large drive sizes?

1 Answers
DeMaggie
07/30/25 9:22am
A socket refers to the abbreviation of a socket wrench. Sockets are classified based on the size of the square drive of the socket wrench. Small drive, which is 1/4 inch, is particularly suitable for tightening or loosening nuts with sockets under 14MM. Medium drive, which is 3/8 inch, is suitable for use with sockets up to 24MM. Large drive, which is 1/2 inch, provides greater torque and is suitable for working with sockets up to 32MM. Additional information: Material classification of sockets: Chrome-Molybdenum Steel (Chrome-Molybdenum Steel) is an alloy of chromium (Cr), molybdenum (Mo), iron (Fe), and carbon (C). It has excellent high-temperature processing performance, attractive appearance after processing, can be deeply quenched, and has good impact absorption properties, making it commonly used in the industry for manufacturing pneumatic tools and large manual tools. Chrome-Vanadium Steel (Chrome-Vanadium Steel) is an alloy tool steel with added chromium and vanadium alloy elements, mainly used in manual tools. No. 45 carbon steel, also known as No. 45 steel, has a carbon content of about 0.45%. Due to its good processing performance and versatile treatment processes, it is a commonly used material for steel processing. Among the above materials, Cr-Mo (Chrome-Molybdenum Steel) is the material used for sockets.
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