High speed steel metal drill set 13 pcs. professional quality, for commercial use, 

Material: high-performance high-speed steel with nitrite titanium coating, C -diff according to din 1412, 135 °. These drills have a Special finish and a nitrite titanium coating

Application: optimal for the machining of unalloyed structural steel, unalloyed tool steel, cast iron gray, wrought iron with ball graphite and also hard materials. Increased service life with specialist refrigeration.

Application: continuous boreholes and normal holes up to 5xD depth

Set: 1,5 x 2,0 x 2,5 x 3,0 x 3,2 x 3,5 x 4,0 x 4,5 x 4,8 x 5,0 x 5,5 x 6,0 x 6,5