Industrial Screwdriver Bits, Ø 4 mm Round Shank Screwdriver Bits, D4 Round Shank + Phillips Screwdriver Bit
D4*60*D1.7*30*0# #0 Phillips screwdriver bit for mobile phones

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D4*60*D1.6*20*00# 4mm round wing-shank screwdriver bit, 60mm length, stepped down to 1.6mm round shaft (20mm length), Phillips #00 tip
Used for torque-controlled electric screwdrivers.
S2 steel material



