Chicago Latrobe 912 High-Speed Steel Aircraft Extension Drill Bit, Black Oxide Finish, Round Shank, 135 Degree Split Point, Wire Size #46 (Pack of 12)

★★★★★ 4.5 73 reviews

US$74.91
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US$74.91
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Product details

Management number 228536668 Release Date 2026/05/31 List Price US$74.91 Model Number 228536668
Category

NAS-Type 12" aircraft extension drill. Round shanks allow use with a wide variety of toolholding systems. When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging. Special purpose for working on carbon steel, alloy steel and cast iron.

  • 12" extended shanks for longreach applications
  • Manufactured from premium high-speed steel
  • 135 degree P3 split point is self-centering for reduced thrust and easier penetration
  • Manufactured to NAS 907 Type B geometry aerospace specifications.
  • Black oxide finish for increased wear resistance and added lubricity standard from stock
  • Made in the USA
UPC 662355111703
ASIN B004MYGTW8
Model 11170
Brand Name Chicago-Latrobe
Shank Type Round
Unit Count 12.0 Count
Item Weight 8.8 ounces
Part Number 11170
Point Style Split Point
Finish Types Black Oxide
Manufacturer Greenfield Industries
Material Type High Speed Steel (HSS)
Item Dimensions 11.8 x 0.7 x 0.2 inches
Tool Flute Type Spiral
Cutting Angle String 135 Degrees
Surface Recommendation Alloy Steel
Global Trade Identification Number 00662355111703

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