Drill suniversal for all materials, TopLine

A  drill  bit  for  all  materials.  It  can  drill  in  concrete, masonry, steel, glass, ceramics, wood and many  others.  Special  negative  grinding  =  no „drifting“  during  initial  drilling.  Robust  carbide tip  for  permanently  sharp  drilling,  impact  resistant drill. Tough stable chrome vanadium shank. Precise, High-Tech soldering up to 1100°C. Sizes 3 - 12 mm graded by 0,5 mm and 8 - 24 + 25 mm graded by 2 mm in 200 mm + 400 mm length and in many inch sizes on demand.