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#1 Aircraft Extension Drill Bit 12" Overall Length HSS Made in USA

Aircraft Extension Drill Bit 12 Overall Length HSS Made in USA

#1 x 12" Long Aircraft Extension Drill

High Speed Steel

2-5/8" Flute Length

.2280 Decimal Equiv

  • Drill America


    Made in USA

    The Drill America Logo displayed on this page is not intended to imply that the product is USA Made. Items made in the USA are marked accordingly, and a USA Flag is displayed near or next to such items.
  • SKU: D/AA/CX121 Product Size: #1 Weight: 0.2 lb Condition: New
  • Regular Price: $9.46
  • On Sale! $8.52 for 1 Bit
  • California residents see: Proposition 65 WARNING




Product Detailed Description

#1 Aircraft Extension Drill Bit, 12" Overall Length 

This Number 1 x 12" Aircraft Extension Drill Bit is made in the USA and is surface treated and manufactured to National Aerospace Standard 907. 135 degree split point is self-centering and reduces thrust. Ideal for drilling in mild steels where extra length for reach is required. They have a black oxide surface treatment that is abrasion-resistant, reduces chip welding and improves chip flow.  Sizes smaller than #52 and 1/16" have the 118 degree standard point.

This Drill America D/AA/CX121 12" Number Size Aircraft Extension Drills USA MADE typically ships within 24 to 48 hours

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