SELF DRILLING SCREW PACK
120 pieces in 8 popular sizes. Perfect for fixing things to thin sheet metal.
Just pop one in an 8mm socket in your battery drill and the screw
will drill it's own, perfectly-sized hole and then screw itself
in in one simple operation.
Point (drill) diameters 3.9mm and 2.8mm. Thread diameter 4.7mm. and 3.3mm and 4.1mm
SELF DRILLING SCREW PACK #SDRILPAK