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Cleveland 3957-6 #12 NAS 907 Type B Aircraft Extension Drill C13134 - Right Hand Cut - Split 135° Point - Bright Finish - 6 in Overall Length - 2.3125 in Spiral Flute - High-Speed Steel - Straight Shank


The Cleveland 3957-6 aircraft extension drill is easy to use. This product has a #12 diameter. Always consider the direction of cut and spiral when purchasing cutting tools. This aircraft extension drill has a right hand cut and right hand spiral. This aircraft extension drill comes with 2 flutes, with a flute length of 2.3125 in. To ensure compatibility with your tool, this item has a 0.189 in straight shank. The aircraft extension drill has a 135° point for hole making applications. This aircraft extension drill is made of high-speed steel with a bright finish. Has a 3957-6 configuration. The overall length measures 6 in. Has a Split point. Packaged 12 per case.

WARNING: This product can contains Cobalt and/or Nickel and/or Lead, a chemical known to the State of California to cause cancer or birth defects or other reproductive harm. For more information:

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Product Specifications

  • Brand:
  • Material:
    High-Speed Steel
  • Surface Finish:
  • Hand of Spiral:
    Right Hand Spiral
  • Hand of Cut:
    Right Hand Cut
  • Drill Diameter:
  • Point Angle:
  • Number of Flutes:
  • Overall Length:
    6 in
  • Flute Type:
  • Point Style:
  • Flute Length:
    2.3125 in
  • Shank Configuration:
  • Shank Size:
    0.189 in
  • Shank Length:
    3.6875 in
  • Style:
  • Package Quantity:
    12 per case
  • Series:
    NAS 907 Type B
  • Product Type:
    Aircraft Extension Drill

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