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  • Drill America HSS Aircraft Extension Drill Bit - Nweshn
  • Drill America HSS Aircraft Extension Drill Bit - Nweshn
  • Drill America HSS Aircraft Extension Drill Bit - Nweshn
  • Drill America HSS Aircraft Extension Drill Bit - Nweshn
  • Drill America HSS Aircraft Extension Drill Bit - Nweshn

Drill America HSS Aircraft Extension Drill Bit

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Qualtech DWDA/CX61 #1 x 6″ HSS Aircraft Extension Drill Bit

  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
  • Round shanks allow use with a wide variety of tool holding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • Manufactured to national aerospace standard 907

Manufactured to Aerospace Standard 907. The 135 degree split point is self-centering and reduces thrust. Ideal for drilling in mild steel where extra length for reach is required. They have a black oxide surface treatment that is abrasion resistant, reduces chip welding and improves chip flow. Sizes smaller than 1/16 and #52 have the 118 degree standard point.