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aircraft-extension-drills

Aircraft Extension Drills

High speed steel aircraft extension drills are manufactured to aerospace standard 907. Aircraft extension drills are ideal for drilling aluminum and mild steel where extra length for reach is required. The 135° split point is self-centering and reduces thrust.

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and non-ferrous materials. Oxide prevents chip building, galling and welding on the work piece. It is commonly used on low carbons, stainless steel and iron based ferrous metals. Spiral flutes are constructed with a higher helix rate to remove chips more easily. Regular, also known as medium helix bits, are used in general purpose

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