Стъпални спирални свредла HSSСтъпални спирални свредла HSS

HSS Step Twist Drill

9.0033.00w/o VAT

  • with Morse tail for processing bolt holes with concealed head (at 90 ° DIN 8375);
  • multifunctional twist drills for simultaneous drilling of holes and machining of conical 90 degree sockets of screw heads with concealed head DIN 963, with semi-concealed / lenticular / head DIN 966 and others of this type;
  • 4 types

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Technical Specifications

Catalogue № Thread size, mm Small diameter, mm Large diameter, mm Total length, mm Flute length, mm Step length, mm Morse cone
500201a М8 9 15 212 114 19 2
500202a М10 11 18 228 130 23 2
500203a М12 14 20 238 140 27 2
500204a М16 18 26 286 165 35 3