Cobalt Aircraft Extension Drills in fractional and wire gauge (number) sizes. These cobalt drills are best suited to drilling hard materials such as stainless sheet stock. NOTE: Fractional-size drills 1/16" to 1/2" and wire gauge sizes #1 to #52 have a 135° split point.
Lot of 10 5/32" (.156") 12 inch Extension Drill bits Made for use in quick change drill motors but can be use in chuck drills also *Resharpened for Boeing by US Tool Co.* *Surplus Aviation* *135 Degree Split Point for Superior Drilling Capability* *High Quality High Speed Steel - You won't find these in your average hardware store!* *These cost Boeing over $12.0
Lot of 10 #40 (.098") 12 inch Extension Drill bits Made for use in quick change drill motors but can be use in chuck drills also *Resharpened for Boeing by US Tool Co.* *Surplus Aviation* *135 Degree Split Point for Superior Drilling Capability* *High Quality High Speed Steel - You won't find these in your average hardware store!*
Lot of 10 #30 (.128") 12 inch Extension Drill bits Made for use in quick change drill motors but can be use in chuck drills also *Resharpened for Boeing by US Tool Co.* *Surplus Aviation* *135 Degree Split Point for Superior Drilling Capability* Mixture of High Quality High Speed Steel and Cobalt You won't find these in your average hardware store! Rings on e
These are new drill bits. Type: Parabolic taper length (tanged shank) Size: #40 Number of Flutes: 2 Overall Length: 4-5/8" Flute Length: 3-1/16" Material: High Speed Steel Finish: Black oxide Manufacturer: Precision Twist Drill (USA) Shipping: FREE Shipping in the USA Most orders are shipped within 1 business day after payment is received. International buyers should request a shipping quote before bidding (postage on orders shipped out of the USA can be expensive).
These are new drill bits. Type: Taper length Size: #42 Number of Flutes: 2 Overall Length: 4-1/4" Flute Length: 2-1/4" Material: High Speed Steel Finish: Manufacturer: Bendix / Besly (USA) Shipping: FREE Shipping in the USA Most orders are shipped within 1 business day after payment is received. International buyers should request a shipping quote before bidding (postage on orders shipped out of the USA can be expensive).
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