mech-tools-dat

Socket Wrench Drive

Common Socket Wrench Drive Sizes:

Name Drive Size Square Drive (mm) Typical Use Cases CN
Small 1/4" drive 6.35 mm Electronics, precision work, small screws 方头 小飞
Medium 3/8" drive 9.5 mm Household use, light automotive repair
Large 1/2" drive 12.7 mm (aka 12.5) Automotive, heavy torque applications 大飞