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Irwin 7/8" Silver & Deming High Speed Steel Drill Bit

Brand: Irwin Mfg#: 91156
Product#: 17391156
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Irwin Heavy Duty Silver and Deming Drill Bit, Series 911/901, 0.875 in Diameter, 3 in Flute Length, 6 in Overall Length, Regular Length Group, Clockwise Cutting Direction, 118 deg Point, Standards Point, Reduced Shank


  • All silver and deming bits are 6 in long and feature a 1/2 in reduced shank that fits all 1/2 in drills
  • Bit is constructed of M-7 high speed steel for high resistance to abrasion during tough drilling applications
  • Three flatted shank design provides better chuck grip and reduces slippage


  • Brand: Irwin
  • Length Group: Regular
  • Material: M7 High Speed Steel
  • Series: 911/901
  • Point Angle: 118 deg
  • Shank Type: Reduced
  • Applicable Materials: Metal, Wood and Plastic
  • Shank Size: .5 in
  • Diameter: .875 in
  • Point Type: Standards
  • Overall Length: 6 in
  • Flute Length: 3 in
  • Cutting Direction: Clockwise