Cobalt 5% HSS Twist Drill Bit DIN338RN
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Cobalt 5% HSS Twist Drill Bit DIN338RN

1, Fully ground drill bit 5% Cobalt HSS with 135degrees split point and flute type N.
2, Diameter tolerance h8 standard.
3, The cobalt content makes the bit harder and heightens temperature resistance,for work with hard metals such as stainless steel.
4, To drill holes in unalloyed and alloyed steels (up to 1200/mm2), stainless steel, cast iron.
5, The basic choice for industrial applications and the drilling of materials difficult to machine.

  • 990 Series
  • HTT, OEM job
  • HPP 
  • To drill holes in unalloyed and alloyed steels, stainless steel, cast iron, etc.
  • 990
  • 0.5 to 13mm
  • Cylinder
  • Metal work 
Quantity:

Size Table:

Item NumberDiameter(mm)Working Length(mm)Overall Length(mm)
990.33800500.5622
990.33801001.01234
990.33801501.51840
990.33802002.02449
990.33802502.53057
990.33803003.03361
990.33803203.23665
990.33803503.53970
990.33804004.04375
990.33804204.24375
990.33804504.54780
990.33805005.05286
990.33805205.25286
990.33805505.55793
990.33806006.05793
990.33806206.263101
990.33806506.568109
990.33807007.069109
990.33807507.575117
990.33808008.075117
990.33808508.581125
990.33809009.081125
990.33809509.587133
990.338100010.087133
990.338105010.594142
990.338110011.094142
990.338115011.5101151
990.338120012.0101151
990.338125012.5101151
990.338130013.0
101151

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