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  • Qualtech 12 HSS Extra Long Drill Bit - Nweshn
  • Qualtech 12 HSS Extra Long Drill Bit - Nweshn
  • Qualtech 12 HSS Extra Long Drill Bit - Nweshn
  • Qualtech 12 HSS Extra Long Drill Bit - Nweshn
  • Qualtech 12 HSS Extra Long Drill Bit - Nweshn

Qualtech 12 HSS Extra Long Drill Bit

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13/16″ x 12″ HSS Extra Long Drill Bit, 1/2″ Shank

  • 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 toolholding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging

Extra length dills are for general purpose drilling in applications where extra length is required for reach. Designed to perform in a broad range of mateirals in the iron and steel families. 1/2″ Shank to expand drill chuck capacity.