- Heavy-duty 135 Degree split point high-speed steel drills used for drilling holes in hard to reach places.
- The black oxide treatment prevents chip welding and increases abrasion resistance.
![27/64" Type 168 12" Black Oxide Fractional Aircraft Extension, Norseman Drill #68990 27/64" Type 168 12" Black Oxide Fractional Aircraft Extension, Norseman Drill #68990](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/41068/48933/Type_168_Aircraft_Extension__85911__69358.1415296726.jpg?c=2)
Norseman Drill & Tool
27/64" Type 168 12" Black Oxide Fractional Aircraft Extension, Norseman Drill #68990
$17.78
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