RUKO 101090 Step drill bit 1 pc(s)

The CBN ground and spiral flutes guarantee quiet running and high cutting performance. Especially the chip flow is optimized, so even long, non-breaking chips will be removed easily. The optimized chip flow protects the cutting edges and reduces built-up edges and cold weld marks. The cone makes it easier to withdraw the tool from the material.RUKO 101090. Proper use: Drill, Drill bit type: Step drill bit, Rotating direction: Right hand rotation. Weight: 265 g. Number of drill bits: 1 pc(s)