6-60mm Step Drill Bit Spiral Groove Pagoda Hole Cutter Metal Sheet Cone Drill Bit Triangular Shank Step Hole Opener Reamer

Note:1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.

• Hard and not easy to break. With a stepped structure, a drill bit can be used in various sizes.
• Easy to install, no need to replace the drill bit while working. You can choose 12 working steps to suit many needs.
• Tools used: pistol drill, bench drill. Water injection cooling while working can effectively extend the life of the drill bit. The recommended drilling speed is 250-400 rpm.
• Material: high speed steel; Packing size: 11*5*5cm; Drill size: 6, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60 mm
• Packing list: 1* Step drill