Industrial Screwdriver Bits, Ø 4 mm Round Shank Screwdriver Bits, D4 Round Shank + Phillips Screwdriver Bit
D4*100*2# Ø4 Wing-Shank Screwdriver Bit, 100mm Length, #2 Phillips Tip

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D4*40*D3*20*1# 4mm wing-shank screwdriver bit, 40mm length, stepped down to 3mm diameter (20mm length), Phillips 1# tip
Used for torque-controlled electric screwdrivers.
S2 steel material



