Number #21 (0.1590") Diameter x 12" OAL 135° Point Cobalt Steel Aircraft Extension Drill Bit
$26.90 USD
Sale price
$26.90 USD
Regular price
$33.63 USD
Skip to product information
Number #21 (0.1590") Diameter x 12" OAL 135° Point Cobalt Steel Aircraft Extension Drill Bit
$26.90 USD
Sale price
$26.90 USD
Regular price
$33.63 USD
Choose Your Option
4 choicesAircraft Extension Drill Bits · 0.159"
Cobalt · 135° · Bronze · 12" OAL
Cobalt · 135° · Bronze · 6" OAL
HSS · 135° · Oxide · 12" OAL
HSS · 135° · Oxide · 6" OAL
Selecting an option opens its product page.
Secure Checkout
Free Shipping $100+
Easy Returns
Technical Specifications
Drill Diameter
0.159"
Decimal Equivalent
0.1590"
Point Angle
135°
Direction of Cut
Right Hand
Overall Length
12"
Number of Flutes
2
Material
Cobalt Steel
Shank Type
Straight
Coating
Bronze