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Triumph T1HD 1/8" High Speed Steel Jobber Drill Bit

Brand: Triumph Mfg#: 12508
Product#: 172118
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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
  • Premium grade steel
  • Heavy duty construction


  • Brand: Triumph
  • Product Line: T1HD
  • Series: T1HD
  • Overall Length: 2.75 in
  • Finish: Black/Bronze Oxide
  • Diameter: .125 in
  • Type: Heavy Duty
  • Point Type: Split
  • Material: High Speed Steel
  • Length Group: Jobber
  • Applicable Materials: Iron, Steel, Stainless Steel, Wood
  • Flute Length: 1.625 in
  • Flute Type: Spiral
  • Shank Type: Round Straight
  • Point Angle: 135 deg