Part Details | TWIST DRILL
5133-00-839-5471 An end cutting tool having two or more cutting edges, and having helical flutes or grooves adjacent thereto for the admission of coolant and the ejection of cuttings or chips. It is used for drilling holes in various materials. Excludes DRILL, MASONRY (as modified); and DRILL,TWIST, BONE. See also DRILL, PIVOT, JEWELER'S and DRILL, HARDENED STEEL, CARBIDE TIPPED.
Alternate Parts: 1638 732, 1638 7-32, 1638 732, 1638 7-32, 5133-00-839-5471, 00-839-5471, 5133008395471, 008395471
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 51 | DEC 19, 1966 | 00-839-5471 | 05237 ( DRILL, TWIST ) |
REFERENCE DRAWINGS & PICTURES
EXTERNALLY THREADED
SOLID CENTER SINGLE TWIST W/BRAD POINT
Cross Reference | NSN 5133-00-839-5471
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1638 7-32 | 13130 | CLEVELAND TWIST DRILL CODIV OF GREENFIELD INDUSTRIES INC |
| 1638 7-32 | 1NEX4 | KENNAMETAL INC.DIV KENNAMETAL INDUSTRIAL PRODUCTS |
Technical Data | NSN 5133-00-839-5471
| Characteristic | Specifications |
|---|---|
| HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| CUTTING END STYLE | 2 SOLID CENTER SINGLE TWIST W/BRAD POINT |
| FLUTE LENGTH | 1.125 INCHES NOMINAL |
| SHANK STYLE | EXTERNALLY THREADED |
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY | 28 PER INCH |
| OVERALL LENGTH | 2.125 INCHES NOMINAL |
| NOMINAL CUTTING DIAMETER | 0.2187 INCHES |
| CUTTING ROTATION DIRECTION | RIGHT-HAND |
| POINT TYPE | NOTCHED |
| FLUTE QUANTITY | 2 |