RUKO Step drill set ULTIMATECUT dm5-12/6-20/8-30 mm HSS spiral-grooved 3-part plastic cassette

HSS
– RUnaTEC-coated
– Spiral-fluted
– With split point
– 2 cutters
– With FLOWSTEP® tip
– Point angle 118°
– Step angle 90°
– 3-surface shank
– Right-hand cutting
– Precise centring without punch-marking even on round surfaces, such as pipes
– Extremely fast spot drilling with little force requirement thanks to the FLOWSTEP® tip
– Smooth and silent drilling
– 3-surface shank prevents spinning in the drill chuck
– Ideal for use in hand-held electric tools
– FLOWSTEP® technology at every stage: Soft and seamless transition between the various diameters when drilling
– Up to 2 times more bores thanks to the extended service life
– Much better drilling result
– Extremely high resistance to wear and heat hardness
– In an impact-resistant and break-proof plastic case