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Irwin Black Gold 1/2" High Speed Steel Jobber Drill Bit

Brand: Irwin Mfg#: 3019032B
Product#: 1733019032B
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Irwin Heavy Duty Jobber Length Drill Bit, 0.5 in Diameter, 4.5 in Flute Length, 6 in Overall Length, Jobber Length Group, 135 deg Point, Split Point, Flat, Straight Shank, High Speed Steel, Black/Gold


  • Heavy duty web construction for strength and durability
  • Split point begins drilling immediately, minimizing bit walk
  • Laser etched markings for easy identification
  • Provides accurate drilling without a center punch
  • High Speed Steel features a black shank and gold flute
  • 3 flatted shank on 3/16 in and above for better chuck grip


  • Brand: Irwin
  • Product Line: Black Gold
  • Applicable Materials: High Alloy Steel, Mild Steel, Sheet Metal
  • Material: High Speed Steel
  • Point Type: Split
  • Point Angle: 135 deg
  • Finish: Black/Gold
  • Overall Length: 6 in
  • Length Group: Jobber
  • Shank Type: Flat, Straight
  • Diameter: .5 in
  • Flute Length: 4.5 in