|
|
|
National Stock Number:
5133-00-849-2870
Federal Supply Class:
5133
National Item Identification Number:
008492870
Description:
DRILL,TWIST
Detail:
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.
|
|
|
Techincal Specification:
| OVERALL LENGTH | 26.125 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | POINT TYPE | NOTCHED | | NOMINAL CUTTING DIAMETER | 1.1250 INCHES | | TAPER SHANK SIZE DESIGNATOR | 4 MORSE | | SHANK STYLE | STANDARD TAPER W/TANG | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM | | FLUTE QUANTITY | 2 | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | FLUTE LENGTH | 20.000 INCHES NOMINAL | | CUTTING END STYLE | GENERAL PURPOSE |
|
|