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IRWIN Speedbor Carbon Steel Wood Boring Bit 1" x 4" 1866037

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Product code (SKU):  2402055
Available: yes
Weight: 0.9 lbs

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The IRWIN SPEEDBOR Max Speed wood drilling bit is

  • 1 in. x 4 in. drill bit
  • Three cutting spurs for faster, cleaner holes, less breakout, and extended drilling life
  • Full screw-point tip allows bit to self-feed for ease of drilling
  • Tapered tri-flute design for faster chip ejection and less binding
  • Shorter overall length for drilling in tight spaces
  • 1/4 in. quick-change shank reduces slipping in standard chucks
  • Compatible with all 1/4 in. quick-change chucks
  • Ideal for holes up to 2 in. deep


  • Brand Name: Irwin
  • Sub Brand: Speedbor
  • Diameter: 1 in.
  • Overall Length: 4 in.
  • Material: Carbon Steel
  • Product Type: Wood Boring Bit
  • Number in Package: 1 pc.
  • Packaging Type: Carded
  • Usage: For Wood
  • Flute Length: 1-1/2 in.
  • Shank Diameter: 1/4 in.
  • Shank Type: Quick-Change Hex Shank
  • Mfg# 1866037
  • UPC 042526912597

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