Aircraft Extension Drills, 6" and 12" lengths

Aircraft Extension Drills, 6" and 12" lengths
We carry Aircraft Extension Drills in High Speed Steel and Cobalt Steel. High Speed Steel Drill Bits are ideal for drilling in mild steels while Cobalt is the choice for drilling in tough high tensile strength materials. Both are available in Six and Twelve inch lengths. These drills are manufactured to National Aerospece Standard 907. The 135 degree split point is self-centering and reduces thrust. They are designed for use when extra length for reach is required. Available in wire gauge, fractional, and letter sizes.
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