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Triumph T1HD 17/64" High Speed Steel Thunderbit

Brand: Triumph Mfg#: 12517
Product#: 17211764
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ThunderBit® High Performance drills are made from industrial-grade steel, with a friction-reducing black and bronze oxide surface treatment for higher drilling speeds. Optional Titanium Nitride (TiN) coating provides the ultimate performance and durability. Unique spiral flute design improves chip ejection and coolant flow to the point; and the heavy-duty core guarantees increased strength and reduced breakage


  • Unique flute design for superior material removal
  • Heavy duty construction
  • Premium grade steel


  • Brand: Triumph
  • Product Line: T1HD
  • Point Type: Split
  • Flute Type: Spiral
  • Series: T1HD
  • Flute Length: 2.875 in
  • Shank Type: Round Straight
  • Applicable Materials: Iron, Steel, Stainless Steel, Wood
  • Length Group: Jobber
  • Point Angle: 135 deg
  • Finish: Black/Bronze Oxide
  • Diameter: .2656 in
  • Material: High Speed Steel
  • Type: Heavy Duty
  • Overall Length: 4.125 in