Cleveland 3957-12 High-Speed Steel Aircraft Extension Drill Bit, 12" Overall Length, Uncoated (Bright), Round Shank, 135 Degree Split Point, 1/4", 6-Pack

★★★★★ 4.4 52 reviews

$187.77
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$187.77
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Product details

Management number 229212439 Release Date 2026/05/31 List Price $75.11 Model Number 229212439
Category

1/4 E 12 IN EXT DRILL Country of Origin: UNITED STATES NOTE: This is a special-order item; as such it is not returnable for any reason. Manufacturer warranties apply and cover the purchase in case of defect. Warranties are fulfilled directly by the manufacturer.This listing is for Pack of 12.

  • With 30 degree helix
  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
  • 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
  • Made in the USA
ASIN B00540BK28
Model C13188
Brand Name CLEVELAND
Shank Type Round
Unit Count 6.0 Count
Item Weight 27.22 g
Part Number C13188
Point Style Split Point
Finish Types Uncoated
Manufacturer Greenfield Industries
Material Type High Speed Steel (HSS)
Item Dimensions 14 x 1 x 1 inches
Tool Flute Type standard spiral
Cutting Angle String 135 Degrees
Surface Recommendation Alloy Steel

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4.4 out of 5
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