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Different sizes of screw , have to change different sizes of screwdriver.Sometimes even just about 2mm gap, or have to replace a screwdriver to use. For this design,we want to adjust the size of the rotation function, so that even 0.5mm gap can be adjusted by rotating the screwdriver.
Southern Taiwan University
of Science and Technology
Tainan City, Taiwan
JIA-YIN, TSAI
Tainan City, Taiwan
LIN HSIN YI
Wu Yi-Ting
Syu Huei Sin