Wiha says their micro bits are 4mm in diameter, and suggests to use special adapter for 1/4 screwdriver. Obviously these 4mm micro bits are smaller than 1/4 inch, but are they compatible with 1/8 hex driver?
Use Wiha “Micro Bit” bits with regular 1/8” hex screwdriver
bitshand-toolsscrewdriver
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Best Answer
I can't see how they would be compatible.
¼" = 6.35mm
⅛" = 3.175mm