5pc 1/4" Hex Shank Countersink Drill Bit Set for Wood Screws #5–#12 Pilot Hole

5-piece countersink drill bit set with 1/4" hex shank – ideal for precise pilot hole drilling and countersinking in woodworking. Suitable for screw sizes #5, #6, #8, #10, and #12. Quick-change compatible, adjustable depth with Allen key. Perfect for furniture, cabinetry, and general woodwork.

Key Features:

• Drills pilot holes and countersinks in one step

• Fits screw sizes: #5, #6, #8, #10, #12

• 1/4" hex shank – compatible with quick-change chucks

• Adjustable drilling depth with included Allen key

• Ideal for wood screws – no need to swap bits

• High-speed steel (HSS 4241) drill with 45 steel chamfer body

Specifications:

• Material: HSS 4241 (drill), Steel 45 (chamfer body)

• Sizes:
   • #5: 1.98mm × 50mm
   • #6: 2.38mm × 55mm
   • #8: 2.78mm × 60mm
   • #10: 3.175mm × 63mm
   • #12: 3.56mm × 65mm

• Shank: 1/4" hex – quick-change ready

Package Includes:

• 5 x Countersink Drill Bits (#5 to #12)

• 1 x Allen Key (for depth adjustment)