Made from Premium Grade High Speed Steel Designed for drilling metal but can also be used on wood, plastics and composite materials. 135 Degree Split Point NAS 907 – Type B Aircraft Extension Drills have a long overall length with a shorter flute length Black Oxide Finish 6" OALIn addition to aircraft manufacturing applications this bit is commonly used by electricians, plumbers, mechanics and contractors when a long reach is required but drilling holes through relatively thin material.
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