12 In. Aircraft Extension Drills

Item #: CS12X 
  • 12 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
  • Flute length is the same as a standard jobber drill
  • 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
See All Sizes

Warning: Cancer & Reproductive Harm. See P65warnings.ca.gov for more info.
Cutting tools may shatter. Always wear appropriate safety equipment.

PT-QCDISCS

Type
Type R
Grain Type
Zirconia
Material Application
Ferrous Metals, Stainless Steel
SKU Number Size Decimal Equivalent Flute Length (IN) Overall Length (IN) Price Quantity Add to Cart
CS12X-1 1 0.288 2-5/8 12
 
CS12X-10 10 0.1935 2-7/16 12
 
CS12X-11 11 0.191 2-5/16 12
 
CS12X-20 20 0.161 2-1/8 12
 
CS12X-21 21 0.159 2-1/8 12
 
CS12X-29 29 0.136 1-3/4 12
 
CS12X-30 30 0.1285 1-5/8 12
 
CS12X-40 40 0.098 1-3/8 12
 
CS12X-1/8 1/8 0.125 1-5/8 12
 
CS12X-3/16 3/16 0.1875 2-5/16 12
 
CS12X-1/4 1/4 0.25 2-3/4 12
 
CS12X-5/16 5/16 0.3125 3-3/16 12
 
CS12X-3/8 3/8 0.375 3-5/8 12
 
CS12X-7/16 7/16 0.4375 4-1/16 12
 
CS12X-1/2 1/2 0.5 4-1/2 12