Cutting Tools Company
PRODUCTS
Home   |    Products   |    Drills

Solid Carbide Step Drills : BSD-85 2 Flute Twist Drill

PRODUCT CODE FOR TAP DRILL DIA STEP LENGTH FLUTE LENGTH TOTAL LENGTH SHANK DIA
Size D1 L2 L3 L1 D2
BSD-85-M3A M3A 2.5 8.8 20 62 6.0
BSD-85-M3B M3B 2.75 8.8 20 62 6.0
BSD-85-M4A M4A 3.3 11.4 20 62 6.0
BSD-85-M4B M4B 3.65 11.4 20 62 6.0
BSD-85-M5A M5A 4.2 13.5 26 66 6.0
BSD-85-M5B M5B 4.65 13.5 28 66 6.0
BSD-85-M6A M6A 5.0 16.5 34 79 8.0
BSD-85-M6B M6B 5.55 16.5 34 79 8.0
BSD-85-M8A M8A 6.8 21.0 47 89 10.0
BSD-85-M8B M8B 7.4 21.0 47 89 10.0
BSD-85-M10A M10A 8.5 25.5 55 102 12.0
BSD-85-M10B M10B 9.35 25.5 55 102 12.0
BSD-85-M12A M12A 10.2 30.0 60 107 14.0
BSD-85-M12B M12B 11.2 30.0 60 107 14.0
BSD-85-M14A M14A 12.0 34.5 65 115 16.0
BSD-85-M14B M14B 13.2 34.5 65 115 16.0
BSD-85-M16A M16A 14.0 38.5 73 123 18.0
BSD-85-M16B M16B 15.1 38.5 73 123 18.0
BSD-85-M18A M18A 15.5 43.5 79 131 20.0
BSD-85-M18B M18B 16.0 43.5 79 131 20.0
BSD-85-M20A M20A 17.5 47.5 89 147 22.0
BSD-85-M20B M20B 18.9 47.5 89 147 22.0
BSD-85-M22 M22 19.5 51.5 90 149 24.0
BSD-85-M24 M24 21.0 56.5 97 152 26.0
BSD-85-M27 M27 24.0 62.5 103 160 30.0
BSD-85-M30 M30 26.0 70.0 110 170 33.0

All Dimensions in MM

Also offered on request in :

  • Inches sizes and intermediate sizes.
  • Drilling holes for other threads like BSW, UNC, UNF etc.
  • Specific tolerances.
  • Different chamfer angles and step lengths.
  • Single steps and multiple steps.
  • 2/3 Flutes
  • Left hand/right hand cutting.
  • High / low / variable helix angle.
  • Drill point geometry to suit application.
  • Flute design to suit application.
  • Two flutes, three flutes and burnishing type.
  • Through coolant.
  • Special coatings to enhance tool life.
  • Lugged design above 12.0 mm.
  • Special shank (Weldon, whistle notch, bigger shank etc.)
  • Sub land type.