Industrial Screwdriver Bits, Ø 4 mm Round Shank Screwdriver Bits, D4 Round Shank + Phillips Screwdriver Bit
D4*40*D2*20*0# Ø4 wing-type round shank screwdriver bit, length 40mm, stepped down to Ø2 length 20, 4-point tip size #0

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D4*100*D2*45*00# custom-designed non-standard screwdriver bit
4mm round wing shank
Total length: 100mm
Turned down to 2mm diameter, turned-down section length: 45mm
00# Phillips tip



