set of 3 pcs

  • Step drill 4-32 mm 3pcs set

    Step drill 4-32 mm 3pcs set

     Lue lisää Työkalut
    • made of hardened high speed steel HSS 4241;
    • special coating of titanium nitride increases durability and extends the usage time 4 times;
    • precise, high speed drilling;
    • untwisted and thicker core ensures resistance to cracking during operation;
    • diameter: 4-12 mm, 4-20 mm, 4-32 mm;
    • number of steps: 5 (4, 6, 8, 10, 12 mm), 9 (4, 6, 8, 10, 12, 14, 16, 18, 20 mm), 15 (4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 mm);
    • two straight cutting grooves enable two times faster and smoother cutting due to effective removal of swarf and heat dissipation;
    • they reduce the risk of overheating;
    • 1/4” HEX drive enables quick and reliable seating in drills as well as drill-drivers or adaptors;
    • point angle of 118◦ and the conical shape of the drill – they do not require prior drilling or marking drilling points;
    • auto-deburring – automatic deburring and edge smoothing during drilling eliminates the need to process the hole manually;
    • made in accordance with DIN 1412C standard;
    • maximum material thickness is 4 mm;
    • markings on the surface of the drill enables controlling the correct diameter of the hole to be made.
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