Expansion of Solid Carbide Drill Range Enhances Productivity, Process Reliability.

Walter USA LLC highlights the addition of a 12 × D_c version of its Xtreme Evo Plus step drill to the DC180 Supreme solid carbide drill lineup.

The DC180 Supreme carbide drill with internal coolant is available in diameters from 0.118 to 0.787 in. (3 to 20 mm). The standard dimensions include the 3 × D_c version in accordance with the DIN 6537 short standard, 5 × D_c version in accordance with the DIN 6537 long standard and the 8 × D_c and 12 x D_c version in accordance with the Walter standard. The drills have straight cutting edges for maximum stability, a 140° point angle. The 8 × D_c and 12 × D_c versions have four margins.

The 3 × D_c and 5 × D_c drills are available in the WJ30EZ grade with an aluminum titanium nitride (AlTiN) multi-layer coating over the entire length of the drill. And the 8 × D_c and 12 × D_c drills are available in the WJ30EY grade with AlTiN multi-layer tip coating. Both WJ30EZ and WJ30EY coatings have the Krato-tec multi-layer coating technology that enables maximum productivity and features a top layer with a high aluminum content, a graded transitional layer and a base layer that provides optimal toughness. The drills can be used with emulsion, oil or minimum quantity lubrication (MQL).

The DC180 Supreme tools are suitable for drilling steel, stainless steel, cast iron, non-ferrous materials, super alloys and hard materials (ISO P, M, K, N, S and H material groups). 

The Walter lineup of products consists of three categories of tools. The company says its Supreme tools indicate the highest level of technology and performance available. Advance tools indicate products efficiently balanced between price and performance and Perform tools are products that provide an economical solution with focused importance on price ideal for small batch production.