Part Details | ROTARY WELL DRILLING BIT
3820-00-427-0401 A detachable, end cutting, drilling tool with one end threaded for attaching to a well drilling tool adapter or drilling pipe. The opposite end is designed to penetrate the earth when used in a rotary type well drilling machine.
Alternate Parts: 29234, 29-234, 3820-00-427-0401, 00-427-0401, 3820004270401, 004270401
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 38 | MAY 08, 1974 | 00-427-0401 | 13668 ( BIT, ROTARY WELL DRILLING ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 3820-00-427-0401
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 29-234 | 66155 | PORTA DRILL INC |
Technical Data | NSN 3820-00-427-0401
| Characteristic | Specifications |
|---|---|
| CORE DRILLING FEATURE | NOT INCLUDED |
| CUTTING EDGE TYPE | ROLLER |
| ROLLER QUANTITY | 3 |
| ROLLER TOOTH TYPE | INTERMEDIATE |
| PILOT SPIKE | NOT INCLUDED |
| PILOT CUTTER | INCLUDED |
| JOINT THREAD DIRECTION | RIGHT-HAND |
| JOINT THREAD LOCATION | EXTERNAL |
| JOINT THREAD SERIES | NONSTANDARD |
| JOINT THREAD SERIES MODIFICATION | MODIFIED BY 0.625 IN. TAPER |
| JOINT STEP THREAD FEATURE | NOT INCLUDED |
| JOINT THREAD DIAMETER | 3.245 INCHES NOMINAL |
| JOINT THREAD LENGTH | 3.175 INCHES NOMINAL |
| DRILL CAPACITY HOLE DIAMETER | 6.000 INCHES NOMINAL |