Part Details | TWIST DRILL
5133-00-839-5474 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 18, 1638 1-8, 1638 18, 1638 1-8, 5133-00-839-5474, 00-839-5474, 5133008395474, 008395474
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 51 | DEC 19, 1966 | 00-839-5474 | 05237 ( DRILL, TWIST ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT ROUND
SOLID CENTER SINGLE TWIST W/BRAD POINT
Cross Reference | NSN 5133-00-839-5474
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1638 1-8 | 13130 | CLEVELAND TWIST DRILL CODIV OF GREENFIELD INDUSTRIES INC |
| 1638 1-8 | 1NEX4 | KENNAMETAL INC.DIV KENNAMETAL INDUSTRIAL PRODUCTS |
Technical Data | NSN 5133-00-839-5474
| 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 | STRAIGHT ROUND |
| SHANK DIAMETER | 0.2500 INCHES NOMINAL |
| OVERALL LENGTH | 2.125 INCHES NOMINAL |
| NOMINAL CUTTING DIAMETER | 0.1250 INCHES |
| CUTTING ROTATION DIRECTION | RIGHT-HAND |
| POINT TYPE | NOTCHED |
| FLUTE QUANTITY | 2 |