Part Details | TWIST DRILL
5133-00-821-8103 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: 1638A40, 1638A40, 5133-00-821-8103, 00-821-8103, 5133008218103, 008218103
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 51 | JAN 01, 1962 | 00-821-8103 | 05237 ( DRILL, TWIST ) |
REFERENCE DRAWINGS & PICTURES
EXTERNALLY THREADED W/HEX NUT
SOLID CENTER SINGLE TWIST W/BRAD POINT
Cross Reference | NSN 5133-00-821-8103
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1638A40 | 13130 | CLEVELAND TWIST DRILL CODIV OF GREENFIELD INDUSTRIES INC |
| 1638A40 | 1NEX4 | KENNAMETAL INC.DIV KENNAMETAL INDUSTRIAL PRODUCTS |
Technical Data | NSN 5133-00-821-8103
| 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 | 0.562 INCHES NOMINAL |
| SHANK STYLE | EXTERNALLY THREADED W/HEX NUT |
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY | 28 PER INCH |
| OVERALL LENGTH | 1.250 INCHES NOMINAL |
| NOMINAL CUTTING DIAMETER | 0.0980 INCHES |
| CUTTING ROTATION DIRECTION | RIGHT-HAND |
| POINT TYPE | NOTCHED |
| POINT ANGLE | 135.0 DEGREES NOMINAL |
| FLUTE QUANTITY | 2 |