4PCS STEP DRILLS (22617)

Set of step drill bits from STHOR 22617. Designed for drilling in high-grade stainless steel, structural and cold-rolled steel, non-ferrous metals, steel sheets, and plastics. The edges of the drilled hole remain clean and burr-free. The drill does not slip on round surfaces. Automatic centering on rounded and slippery surfaces. Quick heat dissipation when drilling in hard materials. Made of HSS high-speed steel coated with titanium nitride. Graduated every 2 and 3 mm. Roll holder.
Technical data
Index number 22617
EAN 5906083049798
Brand Sthor
Diameter [mm] 4-39
Material HSS
Use Metal
Cylindrical shank