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536 HSS Step Drill
 
   
  • Products:
        536 HSS Step Drill
  • Item Number:
        HDB1256
  • Description:
        

    *Step drills are ground from solid high speed steel. A range of hole diameters can be drilled using only one tool and holes are deburred automatically by the following step.

    *Suitable for drilling in alloyed and non alloyed steel sheet, pipes and profiles upto 950N/mm2 and upto a wall thickness of 5mm. Also suitable for wood and plastics.
    *Double Spiral flut gives the faster drilling speed and faster dust rejection.

    Size

    Diameter List

    Overall Length(mm)

    Step QTY.

    Item Number

    4-12mm

    4,5,6,7,8,9,10,11,12mm

    65mm

    9

    HDB1256-41209

    4-22mm

    4,6,8,10,12,14,16,18,20,22mm

    80mm

    10

    HDB1256-42210

    4-32mm

    4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm

    105mm

    15

    HDB1256-43215

    6-38mm

    6,9,13,16,19,21,23,26,29,32,35,38mm

    100mm

    12

    HDB1256-63812

    6-40mm

    6,11,17,23,29,30,31,32,33,34,35,36,37,38,39,40mm

    105mm

    16

    HDB1256-64016

    10-20mm

    10,11,12,13,14,15,16,17,18,19,20mm

    88mm

    11

    HDB1256-102011

     


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