Twist drill, long with straight shank

• Twist drill, long HSS - Type N

  Powerful all-round twist drill to
  DIN 340 with straight shank, type N for materials
  up to 900 N/mm2 strength.
  Long version for short deep-hole drilling.
  High-speed steel for drilling in structural steel,
  cast iron, non-ferrous metal, aluminium and plastic.
  Tapered shank N according to DIN 1412. Drill tip with strong main
  cutting edge, resistant to
  impact and lateral forces. Simple grinding by
  hand possible.
  Tip angle 118° for normal-strength materials.
  Twist angle 25° to 30° for hard, short to normal-chipping
  materials. Clockwise helix.

• Twist drill, long HSS Co5 - type N

  Universal high-performance twist drill
  according to DIN 340 with straight shank, type N for materials
  up to 1,100 N/mm2 strength.
  Top model for short deep-hole drilling.
  High-speed steel with 5% cobalt for drilling in
  tempered and tool steel, stainless steel, structural steel,
  cast iron, non-ferrous metal and plastic.
  High toughness and very good heat resistance.
  High resistance to breaking thanks to reinforced drill core.
  Cross grinding to DIN 1412 C for tough and hard
  materials, castings and forged workpieces. Good
  centring, low feed force, good chip
  removal due to chip separation, resistant to impact.
  Tip angle 128° for hard materials.
  Twist angle 25° to 30° for hard materials with short to average
  chipping. Clockwise helix.