Description
5/32 in. x 6 in. High Speed Steel Aircraft Extension Drill Bit. Extra-long for when extra reach is required. and 12 in. overall lengths when extra reach is required. 135° split point is self-centering and reduces thrust. Sizes smaller than 1/16 have the 118° standard point. About This Product Drill America High Speed Steel Aircraft Extension Drills are good for most general purpose applications. These drill bits offer 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. Extra-long for when extra reach is required. Highlights High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance Black oxide surface treatment that is abrasion resistant, reduces chip welding and improves chip flow 135° split point is self-centering and reduces thrust Sizes smaller than 1/16 have the 118° standard point Manufactured to National Aerospace Standard 907 Drill America aircraft extension drills are available in 6 in. and 12 in. overall lengths when extra reach is required