Application: Engineered specifically for rapid, deep drilling in hard and soft timber, fence posts, structural beams, and railway sleepers.
Flute Design: Extra-wide single-flute design with a threaded tip (screw point) for self-feeding action and rapid chip ejection.
Shank Type: Standard hex shank to prevent slipping in high-torque drill chucks.
Set Sizes & Length: 6 metric diameter sizes (10mm}, 12mm}, 14mm}, 16mm}, 18mm, 20mm) with an extended length (230\text{mm}) for deep boring