Drill America
Drill America 25/64in x 12in Cobalt Aircraft Extension Drill Bit pneumatic accessory
Cobalt aircraft extension drill bit with 25/64in diameter and 12in overall length for deep-hole drilling
- TypeDrill Accessories
- 25/64 inch diameter suits precise drilling tasks
- Cobalt steel construction resists heat during heavy use
- 12 inch overall length reaches deep work areas
- Split point tip reduces walking on hard materials
Drill Bit for Deep-Hole Drilling
This cobalt aircraft extension drill bit measures 25/64in in diameter and 12in overall length. The heavy-duty split point reduces walking and improves centring accuracy. It is suited for deep-hole drilling in tough materials.
Best for Aerospace and Maintenance Tasks
The 12in reach and cobalt steel construction suit aerospace maintenance and deep-hole applications. Users needing shorter lengths or different diameters should consider other options.
Highlights
- 25/64 inch diameter suits precise drilling tasks
- Cobalt steel construction resists heat during heavy use
- 12 inch overall length reaches deep work areas
- Split point tip reduces walking on hard materials
Specifications
| Brand | Drill America |
|---|---|
| Type | Drill Accessories |
Questions about this item
How hot does the 25/64in cobalt bit get during all-day drilling?
Cobalt steel dissipates heat better than standard high-speed steel, so the bit runs cooler during extended use in tough materials.
What shank size must my drill chuck accept for this 12in aircraft extension bit?
The bit has a straight shank matching its 25/64in diameter, so your chuck needs to open to at least .3906in.
Also in this aisle
People compared these
Same shelf, same checkout — eight coins and a 30-minute rate lock.
