Counter-Sunk Drill Set

For screws 6,8,10& 12 gaugeDrill, countersink and
Counterbore in one step
Includes replaceable HSs drillbits
Universal 1/4″ hex shankSizes:3/32″x56 mm.
7/64″”x60 mm, 1/8″”X70 mm,9/64″x70 mm