8 sizes a set at an inexpensive price can meet your requirements.
Those bits fit for electric screwdrivers, hand screwdrivers, electric drills, air drills and so forth.
Those Hex Head Screwdriver Bits are made of S2 alloy steel which is a commonly used material in hardware with high hardness.
Specification:
Materials: S2 alloy steel.
Type of head: hex.
Type of joint: 6.35mm / 1/4 inch hex.
Color:as the picture.
Dimensions:
Size Dia. of head (mm) Lgth. (mm)
H1.5 1.5 / 0.06" 50 / 2"
H2 2 / 0.08" 50 / 2"
H2.5 2.5 / 0.1" 50 / 2"
H3 3 / 0.12" 50 / 2"
H4 4 / 0.16" 50 / 2"
H5 5 / 0.2" 50 / 2"
H6 6 / 0.24" 50 / 2"
H8 8 / 0.3" 50 / 2"
Note:
Due to lighting effects, monitor's brightness , contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item.
Please allow 1-2mm differs due to manual measurement, thanks.