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Triumph T1HD 15/32" High Speed Steel Jobber Drill Bit

Brand: Triumph Mfg#: 12530
Product#: 17211532
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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
  • Unique flute design for superior material removal
  • Heavy duty construction


  • Brand: Triumph
  • Product Line: T1HD
  • Overall Length: 5.75 in
  • Diameter: .4688 in
  • Series: T1HD
  • Length Group: Jobber
  • Point Type: Split
  • Point Angle: 135 deg
  • Type: Heavy Duty
  • Flute Length: 4.3125 in
  • Shank Type: Round Straight
  • Flute Type: Spiral
  • Finish: Black/Bronze Oxide
  • Material: High Speed Steel
  • Applicable Materials: Iron, Steel, Stainless Steel, Wood