Ruko (A101032) Drill Bit Set Step HSS 4 mm 3 Piece

Product Information: Kit Contents: 3 Pieces of Step Drill Bits Product Range: Product Overview: The A101032 is a Step Drill Set made of high speed steel (HSS) offers CBN ground with spiral grooves. The deep-ground, spiral cutting groove offers absolutely smooth running and high cutting performance. In particular, swarf which does not break off is carried away cleanly, as with a spiral drill. This reduces the formation of cutting build-up and cold welding on the cutting edges. The cone makes pulling back easier from metal sheets that have been drilled through. For metal sheet up to 4mm Applications: Industrial Contents: 3x Step drill bit.