Irwin® Left-Hand Mechanics Length Cobalt HSS Drill Bit; Twist, 1/4"

Item # 901-786357ORS  Model # 30516
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Drill Bit heavy-duty construction, 1 3/4 in 2 Flute.
  • Type: Series 305, mechanics length, left hand
  • Bit diameter: 1/4 in
  • Shank type: Cylinder
  • Number of flutes: 2
  • Flute length: 1 3/4 in
  • Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
  • Spiral flute design produces faster chip ejection
  • Shorter cutting lips reduce torque for drilling in high tensile strength materials
  • 135-deg split point reduces feed pressure for easier penetration without work hardening
  • Ideal for use with screw extractors

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