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Triumph T1HD 9/32" High Speed Steel Jobber Drill Bit

Brand: Triumph Mfg#: 12518
Product#: 172932
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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


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


  • Brand: Triumph
  • Product Line: T1HD
  • Point Angle: 135 deg
  • Point Type: Split
  • Finish: Black/Bronze Oxide
  • Series: T1HD
  • Overall Length: 4.25 in
  • Length Group: Jobber
  • Shank Type: Round Straight
  • Type: Heavy Duty
  • Applicable Materials: Iron, Steel, Stainless Steel, Wood
  • Material: High Speed Steel
  • Flute Length: 2.9375 in
  • Diameter: .2812 in
  • Flute Type: Spiral