2PC- Irwin 9/16″ x 18″ Wood Auger Bit 5/8″ Hex Shank Power Pole Boring Drill Tip
9/16″ x 18″ Wood Auger Bit. Drill Style Auger. Hollow Center/Spiral Flute, 15 in Flute Length, 5/8 in Shank, Hex/Impact Shank, Right Hand Cutting Direction. Irwin 48109. Spur point shape, CW spiral angle.