WORKPRO 8pcs Flat Wood Drill Bit Set for Wood Drill Bits Set 6.35mm 12mm 16mm 18mm 20mm 22mm 25mm 28mm 32mm Storage Case

Unique 3-Point Design: This wood drill bit set has a 3-point design with triangular edges for rapid penetration and efficiency. Grooves allow fast chip evacuation, increasing speed and ensuring clean cuts

Sturdy & Long-lasting: Our spade drill bit sets are made of quality carbon structural steel, which has high strength, hardness, and elasticity. Hardness can reach HRC48 after heat treatment, which provides a long service life

8-Piece Spade Drill Bit Set: Each bit is marked for easy size identification. Sizes: Ø 12 / 16 / 18 / 20 / 22 / 25 / 28 / 32 mm. Total length: 150 mm. Suitable for all types of cork, hardwood, PVC, and plastic

Quick Change Hexagon Shaft: The 1/4 "hex shank supports quick replacement and is suitable for most drilling machines. Grooves on the hex shank provide excellent non-slip torque, preventing the drill chuck from slipping

Easy to Store and Carry: It comes with a portable storage case and each card slot is marked with size scales for easy access and put back in order, perfect for keeping tools organized and portable in different workplaces