25/64" Six Inch Overall Length, Aircraft Extension Drill Bit, High Speed Steel

2564-Six-Inch-Overall-Length-Aircraft-Extension-Drill-Bit-High-Speed-Steel
  • SKU:
  • DWDA/CX625/64
  • Price:
  • $10.72
Quantity: + -
25/64" cut diameter. decimal equivalent- .3906 flute length-3-3/4" 6" overall length, high speed steel, Aircraft Extension drill bit. These drills are manufactured to National Aerospace Standard 907. They have a 135 degree split point that is self centering which reduces thrust. These drills are ideal for drilling in mild steel where extra lingth for reach is required. They have a black oxide surface treatment that is avrasion resistant, which also reduces chip welding and improves chip flow. Sizes smaller than #52 and 1/16" have a standard 118 degree point.

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