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Irwin Speedbor 5/8" x 16" Spade Bit

Brand: Irwin Mfg#: 88710
Product#: 17388710
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Speedbor Extra Long Spade Drill Bit, 0.625 in Diameter, 16 in Overall Length, 0.25 in Shank, Hexagonal Shank, Double Cutting Spur Point, Blue Groove Point, Carbon Steel, For Faster Chip Removal


  • Grooved hex shank prevents slipping in drill chuck or bit extension
  • Blue groove point and cutting edge for faster chip removal, 4x faster than standard spade bits
  • Double cutting spurs scribe the outside of the hole reducing breakout
  • 10% larger shank for added durability
  • Not for use with bit extensions
  • Fits all standard quick change chucks


  • Brand: Irwin
  • Product Line: Speedbor
  • Type: Extra Long
  • Shank Size: 0.25 in
  • Material: Carbon Steel
  • Diameter: 0.625 in
  • Point Shape: Double Cutting Spur
  • Overall Length: 16 in
  • Shank Type: Hexagonal
  • Point Type: Blue Groove
  • Usage: For Faster Chip Removal