Description
12" overall length aircraft extension drill. 135° split point per NAS 907 specifications
For drilling holes where reach is normally not accessible with jobbers or taper length drills. Feeds should be light to medium range. Not recommended for deep hole applications or for drilling steel.
| DRILL DIAMETER RANGE (INCH) |
DRILL DIAMETER TOLERANCES |
INCLUDED ANGLE |
LIP HEIGHT T.I.V. |
|||
|---|---|---|---|---|---|---|
| THRU | 1/8" | +.0000"/-.0005" | +5°/-5° | .0020" | ||
| OVER | 1/8" | THRU | 1/4" | -.0000"/-.0007" | +5°/-5° | .0030" |
| OVER | 1/4" | THRU | 1/2" | -.0000"/-.0010" | +5°/-5° | .0040" |
| OVER | 1/2" | THRU | 1" | -.0000"/-.0012" | +3°/-3° | .0050" |
| OVER | 1" | THRU | 11/2" | -.0000"/-.0015" | +3°/-3° | .0060" |
We offer a wide variety of carbide tipped and solid carbide cutting tools. Over 95% are in stock either finished or semi finished for fast delivery.
Additional information
| Tool Diameter | 5/16 |
|---|---|
| Decimal Tool Diameter | 0.3125 |
| Flute Length | 3 3/16 |
| Weight | 0.1312 |
Do you need special Aircraft Extension Drills?
If you can't find the specific Aircraft Extension Drills you are looking for we can manufacture it for you as a special. Simply fill out our Special Tool Quote Form. You can also send us a message with your requirements through our Contact Us page. We will provide you with price and delivery for your special Aircraft Extension Drills.
