Extra Length Drill Bit Set
This drill bit set features extra length drill bits designed for general purpose applications. The set includes various sizes ranging from 1/8 to 5/8 inch, with corresponding decimal equivalents.



Technical Specifications
Product Overview
Extra Length Drilling Capability
This extra length drill bit set is engineered for general-purpose applications that require extended reach. Featuring a consistent 12-inch overall length and a 9-inch flute length across all sizes, these bits provide the depth necessary for deep-hole drilling tasks. The set includes a comprehensive range of sizes from 1/8 inch up to 5/8 inch, catering to a wide variety of industrial and workshop needs.
Technical Specifications
- Flute Length
- 9 inches
- Overall Length
- 12 inches
- Surface Finish
- StandardBlack Oxide (>1/2 inch)
Size Chart
Drill Bit Dimensions
| Size (in) | Decimal Equivalent |
|---|---|
| 1/8 | 0.125 |
| 5/32 | 0.156 |
| 3/16 | 0.203 |
| 7/32 | 0.219 |
| 1/4 | 0.25 |
| 9/32 | 0.281 |
| 5/16 | 0.313 |
| 11/32 | 0.344 |
| 3/8 | 0.375 |
| 13/32 | 0.406 |
| 7/16 | 0.438 |
| 15/32 | 0.469 |
| 1/2 | 0.5 |
| 17/32 | 0.531 |
| 9/16 | 0.563 |
| 5/8 | 0.625 |



