Features include:         

• CoreDrills are made of superior materials and produced by hot-pressed technology orlaser welded.They are widely used for making holes in concrete, refractorymarable and granite.      

• Specialdesign: proper structure, fine appearance and good alternation to suit varioustype of drilling machines.       

• t'sideal for drilling in concrete, bricks and brickwork. Suitable for manualdrilling machines.        

• Applications:Concrete,bricks, brickwork, breeze block, sandstone, etc.         

• Highcutting speed & long lifetime;Self cooling & fast removal;Dry and wetuse. -Thread: M16; Effective length: 60mm;SDS or hexagonal adapter.