21/64" x 12" HSS Aircraft Extension Drill Bit

21/64" x 12" HSS Aircraft Extension Drill Bit

UNIVERSAL CUTTING TOOL $10.8010.80
  • Ideal for drilling in mild steel where extra length for reach is required
  • 135 degree split point for self-centering and reduces thrust
  • Black oxide surface treatment that is abrasion resistant, reduces chip welding and improves chip flow
  • Manufactured to Aerospace Standard 907
  • Sizes smaller than 1/16 and #52 have the 118 degree standard point
SKU ATBF18
ATBF18 21/64" x 12" HSS Aircraft Extension Drill Bit UNIVERSAL CUTTING TOOL
As Seen In...21/64

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