Home Products Power Tool Accessories Countersinks Taper Countersink #10 Replacement Drill 3/16″ 1/4″ Hex Shank Taper Countersink #10 Replacement Drill 3/16″ 1/4″ Hex Shank (37910) Replaces drill bit in countersinks Tapered to match the profile of traditional woodworking screws Replacement drill size 3/16-Inch Find a Retailer Find on Amazon