4 Wing auger bits made of C65 steel with hardness above HRC48 for various heavy duty and precision drilling in soft and hard wood, large section beams, joints, floor boarding, chipboard and plywood.

Lewis flute design for rapid chip removal.

With DIN6.35 quick change hex shank or 11/16" quick change hex shank for secure grip.

For professional drilling holes in various hard and soft wood, plywood, chipboard, plastic board, laminated wood, etc.

It can drill ahead by itself, no pressure, Casting type.

Self-feed threaded tip with Lewis style of flute for speeding drilling in soft and hard wood, large section beams, joints, floor boarding, chipboard and plywood.

Lewis flute design for rapid chip removal.

Heavy-duty and precision drilling with 7/16 Hex Quick Change Shank for fast secure chuck grip and work.

Cr-coating for longer drilling life and more durable work in wood construction building, prevent from being rusty.