• #6 (3/32 in.), #8 (7/64 in.), #10 (1/8 in.) &
#12 (9/64 in.)
• 1/4 in. hex shanks prevents slippage in electric drills
and used in power screwdrivers.
• Drill, countersink and counterbore precision screw
holes in a single operation when doing fine carpentry
and woodworking.
