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Drill America 5/8″ x 12″ High Speed Steel Extra Long Drill Bit with 1/2″Shank, DWDDL Series 12″ Length, Reduced Shank 5/8″

Quick facts

  • Brand: ‎Drill America
  • Price: USD 43.95
  • Rating: 4.50 (1381 reviews)

If you’ve ever needed to drill deeper or reach past an obstruction, the Drill America DWDDL Series extra-long drill bit is designed for those situations. With a 12-inch overall length and a 5/8-inch cutting diameter, it’s a practical pick for general-purpose drilling where standard-length bits just won’t get you there.

This bit is made from high speed steel (HSS), balancing hardness and toughness for wear resistance in everyday shop and jobsite use. A black oxide finish adds lubricity and helps create small surface pockets that can hold coolant near the cutting edge. The spiral flute design helps evacuate chips up and out of the cut to reduce clogging.

  • High speed steel (HSS) construction for general-purpose drilling with wear resistance
  • Extra-long 12″ length for added reach in hard-to-access drilling tasks
  • Black oxide finish adds lubricity and helps retain coolant near the cutting edge
  • Spiral flute design helps lift chips up and out of the hole to reduce clogging
  • Round reduced 1/2″ shank for compatibility with a wide variety of toolholding systems

Recommended for use across materials in the iron and steel families, this Drill America bit features a 118° point style and 2 flutes—an all-around configuration suited to general drilling needs when reach is the priority.