Drill America
Drill America 7/16in x 6in HSS Aircraft Extension Drill Bit pneumatic accessory
7/16 inch HSS aircraft extension drill bit reaches deep holes with 6 inch overall length
- TypeDrill Accessories
- 7/16 inch bore cuts clean holes in deep cavities
- High-speed steel resists wear during extended drilling runs
- 6 inch overall length reaches through thick workpieces
- 4-1/16 inch flute clears chips efficiently from the cut
7/16in HSS Aircraft Extension Drill Bit
This new Drill America bit is a high-speed steel aircraft extension drill designed for deep-hole drilling in metal. It suits professional mechanics and fabricators who need extended reach in pneumatic or power drilling applications. The surface-treated finish helps resist wear during repetitive use.
6in overall length with 4-1/16in flute
The bit measures 6 inches overall with a flute length of 4-1/16 inches, which determines the maximum usable drilling depth. Buyers needing a shorter flute or a different diameter should select another size. The decimal equivalent is .4375 inches for precise tooling matching.
Highlights
- 7/16 inch bore cuts clean holes in deep cavities
- High-speed steel resists wear during extended drilling runs
- 6 inch overall length reaches through thick workpieces
- 4-1/16 inch flute clears chips efficiently from the cut
Specifications
| Brand | Drill America |
|---|---|
| Type | Drill Accessories |
Questions about this item
How deep can the 7/16 inch bit actually drill in a single pass?
The flute length is 4-1/16 inches, so that is the maximum depth the bit can reach before chips must be cleared.
What shank size does the 6 inch aircraft extension bit use?
The shank matches the 7/16 inch drill diameter, so it fits any 1/2 inch or larger three-jaw chuck.
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