Online Store › Kakuri Taper Drill Bit for Wooden Nails (4.7mm) Kakuri Taper Drill Bit for Wooden Nails (4.7mm) $12.00 Kakuri Taper Drill Bit for Wooden Nails 3/16 inch (4.7mm), 1/4 inch Hex Shank, Titanium Coated Purchase Added! Kakuri Taper Drill Bit for Wooden Nails 3/16 inch (4.7mm), 1/4 inch Hex Shank, Titanium Coated