Drill America W x 12" High Speed Steel Aircraft Extension Drill Bit (Pack of 6), DWDA/C Series - size: W (Pack of 6), style: 12" Length

About this item

• High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
• Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
• 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
• Manufactured to National Aerospace Standard 907

Overview

• Material: High Speed Steel (HSS)
• Cutting Diameter: 0.39 inches
• Finish Type: Black Oxide
• Shank Type: Round
• Cutting Angle String: 135 degrees