About this item

• Material: High Speed Steel combined with a titanium coating. More capable, durable and longer service life.
• Easy Drilling: 3 sided shank prevents slip in drill chuck; Double cutting blades design enables a faster and smoother cutting; X-type openings design to facilitate the removal of cutting waste when drilling;
• SET INCLUDES: Bit #1 (5 steps): 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm); Bit #2 (9 steps): 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm); Bit #3 (15 steps): 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm,30mm,32mm)
• Laser marking makes the size more clear. Suitable for using to cut holes in a variety of materials including thin iron plate, aluminum, insulation board, wood, plastic, PVC board that the thickness is within 5mm.