The flute length on these drills is the same as a standard jobber drill. Single piece construction. Application: For drilling holes in hardtoreach places, especially in aircraft assembly work 6 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
- 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