Part Details | TWIST DRILL
5133-01-051-4993 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: 6887899, 5133-01-051-4993, 01-051-4993, 5133010514993, 010514993
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 51 | DEC 02, 1977 | 01-051-4993 | 05237 ( DRILL, TWIST ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT ROUND
STEP DRILL
Cross Reference | NSN 5133-01-051-4993
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 6887899 | 73342 | ALLISON TRANSMISSION, INC. |
Technical Data | NSN 5133-01-051-4993
| Characteristic | Specifications |
|---|---|
| HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| CUTTING END STYLE | STEP DRILL |
| FLUTE LENGTH | 4.500 INCHES NOMINAL |
| SMALL FLUTED SECTION LENGTH | 0.365 INCHES NOMINAL |
| SHANK STYLE | STRAIGHT ROUND |
| SHANK DIAMETER | 0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| OVERALL LENGTH | 6.000 INCHES NOMINAL |
| NOMINAL CUTTING DIAMETER | 0.3650 INCHES AND 0.5000 INCHES |
| CUTTING ROTATION DIRECTION | RIGHT-HAND |
| POINT TYPE | SPLIT |
| FLUTE QUANTITY | 2 |