1.drilling in mild steel, aluminum etc. 2.heavy duty Jobber Flute Length Drills 3.overall length of 6" or 12" or 18"

HSS Aircraft Extension Drills 6" Length

Hardened high speed steel body provides additional safeguard.Industrial grade cobalt high speed steel are available on request.Right hand cutting direction; Standard two flute design.

Aircraft Extension Drills are heavy duty Jobber Flute Length Drills with an extended overall length of 6" or 12" or 18". They are manufactured to NAS 907 drill standards and are used for drilling holes in hard to reach places.135 degree split point for quick start and no walk application.118 degree point angle design for general purpose are available on request.

Black oxide finish or Bright finish; Tin Coated are available on request...Aircraft Extension Drills are for portable or machine drilling in mild steel, aluminum, other soft materials. Used for drill holes in hard-to-reach places. Mfr. To NAS 907-A specs.Drill Bits Set are available on request.

Size are available ( ANSI B94.11M Standard ):Fractional Size: 1/16" ~ 1/2"Letter Size: A ~ ZWire Gage Size: 1# ~ 60#

HSS Aircraft Extension Drills