Part Details | TWIST DRILL
5133-01-499-2591 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: 52616, CO50012 14, CO500-12 1/4, 5133-01-499-2591, 01-499-2591, 5133014992591, 014992591
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 51 | JUL 17, 2002 | 01-499-2591 | 05237 ( DRILL, TWIST ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT ROUND
SOLID CENTER SINGLE TWIST W/BRAD POINT
Cross Reference | NSN 5133-01-499-2591
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 52616 | 16568 | PRECISION TWIST DRILL CO |
| CO500-12 1/4 | 16568 | PRECISION TWIST DRILL CO |
Technical Data | NSN 5133-01-499-2591
| Characteristic | Specifications |
|---|---|
| HARDNESS RATING | 65.0 ROCKWELL C MINIMUM AND 67.0 ROCKWELL C MAXIMUM |
| CUTTING END STYLE | 2 SOLID CENTER SINGLE TWIST W/BRAD POINT |
| FLUTE LENGTH | 2.750 INCHES NOMINAL |
| SHANK STYLE | STRAIGHT ROUND |
| SHANK DIAMETER | 0.250 INCHES NOMINAL |
| OVERALL LENGTH | 12.000 INCHES NOMINAL |
| NOMINAL CUTTING DIAMETER | 0.2500 INCHES |
| CUTTING ROTATION DIRECTION | RIGHT-HAND |
| POINT TYPE | SPLIT |
| POINT ANGLE | 135.0 DEGREES NOMINAL |
| FLUTE QUANTITY | 2 |
| SPECIAL FEATURES | AIRCRAFT EXTENSION TYPE; FRACTIONAL SIZE 1/4 |