Irwin 1877793 Black Oxide Countersink Drill Bit Set 5-Piece

Irwin 1877793 Black Oxide Countersink Drill Bit Set 5-Piece

The Irwin 1877793 Black Oxide Countersink Drill Bit Set 5-Piece includes:

• Black Oxide Countersink Drill Bit sizes:
  • SKU:         Diameter x Flute Length x Overall Length x Shank Size
  • 1877714:     1/4″     x       19/64″     x      1-17/32″     x     1/4″
  • 1877715:    3/8″      x       25/64″     x          1-5/8″     x     1/4″
  • 12411:         1/2″      x       15/32″      x      1-21/32″     x     1/4″
  • 12412:        5/8″      x         9/16″      x      1-23/32″     x     1/4″
  • 12413:       3/4″       x           5/8″      x      1-13/16″      x     1/4″
• Storage Case

Features:

• Precision ground 82° tip for countersinking most machinable metals, wood or plastic
• Made from industrial-grade high-speed steel for increased durability
• Black oxide finish for added corrosion resistance
• Five flute design reduces vibration for smoother drilling and extended life
• 1/4″ round shank fits all handheld and stationary drills

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