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Other sizes in this series
Champion 12 In. Aircraft Extension Drills
- 12 Inch Aircraft Extension Drills are designed for drilling holes in aircraft assembly work where long reach is needed
- Ideal for drilling aluminum and low to medium steel alloys
- Drills will not walk on workpiece due to 135° self-centering split point
- Flute length is the same as a standard jobber drill
- Black Oxide Treated High Speed Steel enhances heat resistance and longer tool life
- Spring tempered shanks prevent permanent bending when drilling holes not in direct alignment
