6.5mm chuck Up to Φ21mm available
10mm chuck Up to Φ 30mm available
13mm chuck Up to Φ 50mm available
・The long twist is ideal for drilling a deep hole.
・Design screw point for fast drilling.
・Design stem for rigidity against bending and accurate clean hole while drilling.
・Single-spur design allows scribing the circumference of the hole in the wood for an inner smooth and beautiful hole.